Add content description setter to RemoteViews

bug:5480389

Change-Id: I66616f379a244ba7f3552d766f3aaa77f207550a
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index a2f9b36..fea79d5 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -4219,6 +4219,7 @@
      *
      * @attr ref android.R.styleable#View_contentDescription
      */
+    @RemotableViewMethod
     public void setContentDescription(CharSequence contentDescription) {
         mContentDescription = contentDescription;
     }