Add Java 11 regression tests ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=301273002

diff --git a/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.input b/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.input
new file mode 100644
index 0000000..97bd4ac
--- /dev/null
+++ b/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.input

@@ -0,0 +1,9 @@
+class Java11 {
+  interface I {
+    private default void f() {}
+  }
+
+  public static void main(String[] args) {
+    var x = 42;
+  }
+}

diff --git a/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.output b/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.output
new file mode 100644
index 0000000..97bd4ac
--- /dev/null
+++ b/core/src/test/resources/com/google/googlejavaformat/java/testdata/java11.output

@@ -0,0 +1,9 @@
+class Java11 {
+  interface I {
+    private default void f() {}
+  }
+
+  public static void main(String[] args) {
+    var x = 42;
+  }
+}