Fix preload classname for phone policy.

	PhoneWindow$ContextMenuCallback is renamed to PhoneWindow$DialogMenuCallback
	from commit 4267534
	    "Action Bar now supports submenus as popups."

Change-Id: Ie9165d9458358dabe03b499862fcced690845e6f

Author: SangWook Han

policy/src/com/android/internal/policy/impl/Policy.java

@@ -41,7 +41,7 @@ public class Policy implements IPolicy {
         "com.android.internal.policy.impl.PhoneLayoutInflater",
         "com.android.internal.policy.impl.PhoneWindow",
         "com.android.internal.policy.impl.PhoneWindow$1",
-        "com.android.internal.policy.impl.PhoneWindow$ContextMenuCallback",
+        "com.android.internal.policy.impl.PhoneWindow$DialogMenuCallback",
         "com.android.internal.policy.impl.PhoneWindow$DecorView",
         "com.android.internal.policy.impl.PhoneWindow$PanelFeatureState",
         "com.android.internal.policy.impl.PhoneWindow$PanelFeatureState$SavedState",