Revert "Automatic documentation for "@Column" annotation."

This reverts commit 6c7fb4376706e37f4196378e4cb99fe702aa22de.

Reason for revert: Master is broken; not clear if/how this CL is to blame but since it's not needed immediately backing out right now in case its involved

Change-Id: I2048e28e515c42bf36d4386acc48b060ad9afb8e
diff --git a/src/main/java/com/android/tools/metalava/DocAnalyzer.kt b/src/main/java/com/android/tools/metalava/DocAnalyzer.kt
index 77ff105..c255092 100644
--- a/src/main/java/com/android/tools/metalava/DocAnalyzer.kt
+++ b/src/main/java/com/android/tools/metalava/DocAnalyzer.kt
@@ -206,7 +206,6 @@
                     "androidx.annotation.StringDef" -> handleTypeDef(annotation, item)
                     "android.annotation.RequiresFeature" -> handleRequiresFeature(annotation, item)
                     "androidx.annotation.RequiresApi" -> handleRequiresApi(annotation, item)
-                    "android.provider.Column" -> handleColumn(annotation, item)
                     "kotlin.Deprecated" -> handleKotlinDeprecation(annotation, item)
                 }
 
@@ -485,48 +484,6 @@
                     addApiLevelDocumentation(level, item)
                 }
             }
-
-            private fun handleColumn(
-                annotation: AnnotationItem,
-                item: Item
-            ) {
-                val value = annotation.findAttribute("value")?.leafValues()?.firstOrNull() ?: return
-                val readOnly = annotation.findAttribute("readOnly")?.leafValues()?.firstOrNull()?.value() == true
-                val sb = StringBuilder(100)
-                val resolved = value.resolve()
-                val field = resolved as? FieldItem
-                sb.append("This constant represents a column name that can be used with a ")
-                sb.append("{@link android.content.ContentProvider}")
-                sb.append(" through a ")
-                sb.append("{@link android.content.ContentValues}")
-                sb.append(" or ")
-                sb.append("{@link android.database.Cursor}")
-                sb.append(" object. The values stored in this column are ")
-                sb.append("")
-                if (field == null) {
-                    reporter.report(
-                        Errors.MISSING_COLUMN, item,
-                        "Cannot find feature field for $value required by $item (may be hidden or removed)"
-                    )
-                    sb.append("{@link ${value.toSource()}}")
-                } else {
-                    if (filterReference.test(field)) {
-                        sb.append("{@link ${field.containingClass().qualifiedName()}#${field.name()} ${field.containingClass().simpleName()}#${field.name()}} ")
-                    } else {
-                        reporter.report(
-                            Errors.MISSING_COLUMN, item,
-                            "Feature field $value required by $item is hidden or removed"
-                        )
-                        sb.append("${field.containingClass().simpleName()}#${field.name()} ")
-                    }
-                }
-
-                if (readOnly) {
-                    sb.append(", and are read-only and cannot be mutated")
-                }
-                sb.append(".")
-                appendDocumentation(sb.toString(), item, false)
-            }
         })
     }
 
diff --git a/src/main/java/com/android/tools/metalava/doclava1/Errors.java b/src/main/java/com/android/tools/metalava/doclava1/Errors.java
index dfb78b9..8621c5c 100644
--- a/src/main/java/com/android/tools/metalava/doclava1/Errors.java
+++ b/src/main/java/com/android/tools/metalava/doclava1/Errors.java
@@ -258,7 +258,6 @@
     // and (2) the principle is adopted by the API council
     public static final Error EXTENDS_DEPRECATED = new Error(161, HIDDEN);
     public static final Error FORBIDDEN_TAG = new Error(162, ERROR);
-    public static final Error MISSING_COLUMN = new Error(163, WARNING, Category.DOCUMENTATION);
 
     // API lint
     public static final Error START_WITH_LOWER = new Error(300, ERROR, Category.API_LINT, "S1");
diff --git a/src/test/java/com/android/tools/metalava/DocAnalyzerTest.kt b/src/test/java/com/android/tools/metalava/DocAnalyzerTest.kt
index 5b4efcf..5811331 100644
--- a/src/test/java/com/android/tools/metalava/DocAnalyzerTest.kt
+++ b/src/test/java/com/android/tools/metalava/DocAnalyzerTest.kt
@@ -1869,75 +1869,4 @@
 
         dir.deleteRecursively()
     }
-
-    @Test
-    fun `Test Column annotation`() {
-        // Bug: 120429729
-        check(
-            sourceFiles = *arrayOf(
-                java(
-                    """
-                    package test.pkg;
-                    import android.provider.Column;
-                    import android.database.Cursor;
-                    @SuppressWarnings("WeakerAccess")
-                    public class ColumnTest {
-                        @Column(Cursor.FIELD_TYPE_STRING)
-                        public static final String DATA = "_data";
-                        @Column(value = Cursor.FIELD_TYPE_BLOB, readOnly = true)
-                        public static final String HASH = "_hash";
-                        @Column(value = Cursor.FIELD_TYPE_STRING, readOnly = true)
-                        public static final String TITLE = "title";
-                        @Column(value = Cursor.NONEXISTENT, readOnly = true)
-                        public static final String BOGUS = "bogus";
-                    }
-                    """
-                ),
-                java(
-                    """
-                        package android.database;
-                        public interface Cursor {
-                            int FIELD_TYPE_NULL = 0;
-                            int FIELD_TYPE_INTEGER = 1;
-                            int FIELD_TYPE_FLOAT = 2;
-                            int FIELD_TYPE_STRING = 3;
-                            int FIELD_TYPE_BLOB = 4;
-                        }
-                    """
-                ),
-                columnSource
-            ),
-            checkCompilation = true,
-            checkDoclava1 = false,
-            warnings = """
-                src/test/pkg/ColumnTest.java:12: warning: Cannot find feature field for Cursor.NONEXISTENT required by field ColumnTest.BOGUS (may be hidden or removed) [MissingColumn]
-                """,
-            stubs = arrayOf(
-                """
-                package test.pkg;
-                import android.database.Cursor;
-                @SuppressWarnings({"unchecked", "deprecation", "all"})
-                public class ColumnTest {
-                public ColumnTest() { throw new RuntimeException("Stub!"); }
-                /**
-                 * This constant represents a column name that can be used with a {@link android.content.ContentProvider} through a {@link android.content.ContentValues} or {@link android.database.Cursor} object. The values stored in this column are {@link Cursor.NONEXISTENT}, and are read-only and cannot be mutated.
-                 */
-                @android.provider.Column(value=Cursor.NONEXISTENT, readOnly=true) public static final java.lang.String BOGUS = "bogus";
-                /**
-                 * This constant represents a column name that can be used with a {@link android.content.ContentProvider} through a {@link android.content.ContentValues} or {@link android.database.Cursor} object. The values stored in this column are {@link android.database.Cursor#FIELD_TYPE_STRING Cursor#FIELD_TYPE_STRING} .
-                 */
-                @android.provider.Column(android.database.Cursor.FIELD_TYPE_STRING) public static final java.lang.String DATA = "_data";
-                /**
-                 * This constant represents a column name that can be used with a {@link android.content.ContentProvider} through a {@link android.content.ContentValues} or {@link android.database.Cursor} object. The values stored in this column are {@link android.database.Cursor#FIELD_TYPE_BLOB Cursor#FIELD_TYPE_BLOB} , and are read-only and cannot be mutated.
-                 */
-                @android.provider.Column(value=android.database.Cursor.FIELD_TYPE_BLOB, readOnly=true) public static final java.lang.String HASH = "_hash";
-                /**
-                 * This constant represents a column name that can be used with a {@link android.content.ContentProvider} through a {@link android.content.ContentValues} or {@link android.database.Cursor} object. The values stored in this column are {@link android.database.Cursor#FIELD_TYPE_STRING Cursor#FIELD_TYPE_STRING} , and are read-only and cannot be mutated.
-                 */
-                @android.provider.Column(value=android.database.Cursor.FIELD_TYPE_STRING, readOnly=true) public static final java.lang.String TITLE = "title";
-                }
-                """
-            )
-        )
-    }
 }
\ No newline at end of file
diff --git a/src/test/java/com/android/tools/metalava/DriverTest.kt b/src/test/java/com/android/tools/metalava/DriverTest.kt
index 5618e94..8db14dc 100644
--- a/src/test/java/com/android/tools/metalava/DriverTest.kt
+++ b/src/test/java/com/android/tools/metalava/DriverTest.kt
@@ -2453,28 +2453,3 @@
     }
     """
 ).indented()
-
-val columnSource: TestFile = java(
-    """
-    package android.provider;
-
-    import static java.lang.annotation.ElementType.FIELD;
-    import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-    import android.content.ContentProvider;
-    import android.content.ContentValues;
-    import android.database.Cursor;
-
-    import java.lang.annotation.Documented;
-    import java.lang.annotation.Retention;
-    import java.lang.annotation.Target;
-
-    @Documented
-    @Retention(RUNTIME)
-    @Target({FIELD})
-    public @interface Column {
-        int value();
-        boolean readOnly() default false;
-    }
-    """
-).indented()
\ No newline at end of file