Revert "Revert "Uses ActionBarSherlock library in MovieActivity.""

This reverts commit 13da281769d4558c42d86a54536ff6da6826b0ac.
diff --git a/proguard.flags b/proguard.flags
index 66e5367..15e9743 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -35,3 +35,11 @@
 
 # Disable the warnings of using dynamic method calls in EffectsRecorder
 -dontnote com.android.camera.EffectsRecorder
+
+# Required for ActionBarSherlock
+-keep class android.support.v4.app.** { *; }
+-keep interface android.support.v4.app.** { *; }
+-keep class com.actionbarsherlock.** { *; }
+-keep interface com.actionbarsherlock.** { *; }
+-keepattributes *Annotation*
+