Trimming: switch to use sherlock action bar

Show a "done" instead of the icon according to the UX team.
And we don't have API level dependency.

bug:7093240

Change-Id: Ib331495dd233c4dcbeb3d587bd5a4d0d89039d49
diff --git a/src/com/android/gallery3d/ui/MenuExecutor.java b/src/com/android/gallery3d/ui/MenuExecutor.java
index bd386f8..1f28555 100644
--- a/src/com/android/gallery3d/ui/MenuExecutor.java
+++ b/src/com/android/gallery3d/ui/MenuExecutor.java
@@ -165,8 +165,7 @@
         boolean supportDelete = (supported & MediaObject.SUPPORT_DELETE) != 0;
         boolean supportRotate = (supported & MediaObject.SUPPORT_ROTATE) != 0;
         boolean supportCrop = (supported & MediaObject.SUPPORT_CROP) != 0;
-        boolean supportTrim = (supported & MediaObject.SUPPORT_TRIM) != 0
-                && ApiHelper.HAS_MEDIA_MUXER;
+        boolean supportTrim = (supported & MediaObject.SUPPORT_TRIM) != 0;
         boolean supportShare = (supported & MediaObject.SUPPORT_SHARE) != 0;
         boolean supportSetAs = (supported & MediaObject.SUPPORT_SETAS) != 0;
         boolean supportShowOnMap = (supported & MediaObject.SUPPORT_SHOW_ON_MAP) != 0;