Don't use AutoFocusMoveCallback on older platforms.

Change-Id: I281888ee88c08b1caf4754e714f0f42c75e26dd9
diff --git a/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java b/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
index c1724a8..4545b92 100644
--- a/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
+++ b/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
@@ -57,6 +57,9 @@
     public static final boolean HAS_MTP =
             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
 
+    public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
+            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
+
     private static boolean hasField(Class<?> klass, String fieldName) {
         try {
             klass.getDeclaredField(fieldName);