androidmedia: break statements unnecessary

Code flow never arrives to the break statements due to the goto's. So the
breaks are unecessary. Second part to commit a3958ae65b

https://bugzilla.gnome.org/show_bug.cgi?id=736940

sys/androidmedia/gstamcaudiodec.c

@@ -466,16 +466,16 @@ retry:
           goto get_output_buffers_error;
 
         goto retry;
-        break;
+
       }
       case INFO_TRY_AGAIN_LATER:
         GST_DEBUG_OBJECT (self, "Dequeueing output buffer timed out");
         goto retry;
-        break;
+
       case G_MININT:
         GST_ERROR_OBJECT (self, "Failure dequeueing output buffer");
         goto dequeue_error;
-        break;
+
       default:
         g_assert_not_reached ();
         break;