Show annotation information in generated documentation

Display the annotations used to override @hide for classes in packages
and methods in classes.

Bug: 16848303
Change-Id: I5599e6593613edbbe6a002d5d46a0a6561dec55a
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 3b647c2..b3ee207 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -7330,3 +7330,8 @@
   line-height: 54px;
   text-align: center;
 }
+
+.annotation-message {
+    display: block;
+    font-style: italic;
+}
\ No newline at end of file