MoviePlayer: Flush UI display after suspend/resume

- Post mPlayingCheck again in onResume() for HTTP streaming
- To disable the "Loading" pattern after resume

Change-Id: Ic0e5bd0bb0710d76f41a40249022526b4d4e71db
diff --git a/src/com/android/gallery3d/app/MoviePlayer.java b/src/com/android/gallery3d/app/MoviePlayer.java
index f6bd367..d5d7082 100644
--- a/src/com/android/gallery3d/app/MoviePlayer.java
+++ b/src/com/android/gallery3d/app/MoviePlayer.java
@@ -293,6 +293,12 @@
                 pauseVideo();
             }
         }
+
+        if (System.currentTimeMillis() > mResumeableTime) {
+            mHandler.removeCallbacks(mPlayingChecker);
+            mHandler.postDelayed(mPlayingChecker, 250);
+        }
+
         mHandler.post(mProgressChecker);
     }