Remove unused resources and fix some warnings.

Change-Id: I075977150c7da7650e723e29406f24ae2e23ea97
diff --git a/src/com/android/gallery3d/app/MoviePlayer.java b/src/com/android/gallery3d/app/MoviePlayer.java
index f2dc9ad..0cf361c 100644
--- a/src/com/android/gallery3d/app/MoviePlayer.java
+++ b/src/com/android/gallery3d/app/MoviePlayer.java
@@ -217,6 +217,7 @@
         });
     }
 
+    @SuppressWarnings("deprecation")
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void showSystemUi(boolean visible) {
         if (!ApiHelper.HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE) return;
@@ -225,6 +226,7 @@
                 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                 | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
         if (!visible) {
+            // We used the deprecated "STATUS_BAR_HIDDEN" for unbundling
             flag |= View.STATUS_BAR_HIDDEN | View.SYSTEM_UI_FLAG_FULLSCREEN
                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
         }