fix for a doublebounce of the filmstip button on filmstip swipe out

bug: 17301367

Change-Id: I305618ee5012de229c9cc1fd73f0b6506d701477
diff --git a/src/com/android/camera/widget/FilmstripLayout.java b/src/com/android/camera/widget/FilmstripLayout.java
index c943b7e..2e7819a 100644
--- a/src/com/android/camera/widget/FilmstripLayout.java
+++ b/src/com/android/camera/widget/FilmstripLayout.java
@@ -327,7 +327,6 @@
             mSwipeTrend = (((int) dx) >> 1) + (mSwipeTrend >> 1);
             if (dx < 0 && mFilmstripContentLayout.getTranslationX() == 0) {
                 mBackgroundDrawable.setOffset(0);
-                FilmstripLayout.this.onSwipeOutBegin();
             }
 
             // When we start translating the filmstrip in, we want the left edge of the