Add a paragraph to the Build Encyclopedia that tells how to use the appcompat library.
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MOS_MIGRATED_REVID=103080967
diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/android/BazelAndroidLibraryRule.java b/src/main/java/com/google/devtools/build/lib/bazel/rules/android/BazelAndroidLibraryRule.java
index bf7da9c..2947225 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/android/BazelAndroidLibraryRule.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/android/BazelAndroidLibraryRule.java
@@ -70,10 +70,15 @@
the compilation class path.
</p>
+<p>If you need to depend on the appcompat library, put
+<code>//external:android/appcompat_v4</code> or <code>//external:android/appcompat_v7</code>
+in the <code>deps</code> attribute.
+</p>
${IMPLICIT_OUTPUTS}
${ATTRIBUTE_DEFINITION}
+
<h4 id="android_library_examples">Examples</h4>
<p>Examples of Android rules can be found in the <code>examples/android</code> directory of the
Bazel source tree.
