Export jetpack code to framework.

Included changes:
* c00014c: Grammar fixes in AppSearchSchema.

Tested: Presubmit
Change-Id: If5726d483c6a8efbf562e1c78a6c251f20a81bf6
diff --git a/apex/appsearch/framework/java/android/app/appsearch/AppSearchSchema.java b/apex/appsearch/framework/java/android/app/appsearch/AppSearchSchema.java
index 1e27d1f..50583ad 100644
--- a/apex/appsearch/framework/java/android/app/appsearch/AppSearchSchema.java
+++ b/apex/appsearch/framework/java/android/app/appsearch/AppSearchSchema.java
@@ -183,8 +183,9 @@
         public static final int DATA_TYPE_BYTES = 5;
 
         /**
-         * Indicates that the property itself is an Document, making it part a hierarchical Document
-         * schema. Any property using this DataType MUST have a valid {@code schemaType}.
+         * Indicates that the property is itself a {@link GenericDocument}, making it part of a
+         * hierarchical schema. Any property using this DataType MUST have a valid {@link
+         * PropertyConfig#getSchemaType}.
          */
         public static final int DATA_TYPE_DOCUMENT = 6;
 
@@ -231,8 +232,8 @@
          * Content in this property will not be tokenized or indexed.
          *
          * <p>Useful if the data type is not made up of terms (e.g. {@link
-         * PropertyConfig#DATA_TYPE_DOCUMENT} or {@link PropertyConfig#DATA_TYPE_BYTES} type). All
-         * the properties inside the nested property won't be indexed regardless of the value of
+         * PropertyConfig#DATA_TYPE_DOCUMENT} or {@link PropertyConfig#DATA_TYPE_BYTES} type). None
+         * of the properties inside the nested property will be indexed regardless of the value of
          * {@code indexingType} for the nested properties.
          */
         public static final int INDEXING_TYPE_NONE = 0;
diff --git a/apex/appsearch/synced_jetpack_changeid.txt b/apex/appsearch/synced_jetpack_changeid.txt
index 1747503..a2bf0d5 100644
--- a/apex/appsearch/synced_jetpack_changeid.txt
+++ b/apex/appsearch/synced_jetpack_changeid.txt
@@ -1 +1 @@
-Iac5514634d17fbe20e1dda04df5ee27a22e89304
+I2decd83fab4c4d58fe38c9970f804046479c942c