Fix wrong intent being passed in PhoneWindowManager.

When starting going home for Wear, the intent extra indicating the
intent is coming from a button press must be set. This was lost during
a merge conflict resolution.

Bug: 19832892
Change-Id: I6b77757b34f99dd754194448fdea9165690fc90f

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

@@ -5943,7 +5943,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             intent = mHomeIntent;
         }
 
-        startActivityAsUser(mHomeIntent, UserHandle.CURRENT);
+        startActivityAsUser(intent, UserHandle.CURRENT);
     }
 
     /**