It was trying to interact through null, which could throw an exception. Example:
01-18 18:28:12.609 862 2038 W Binder : Binder call failed.
01-18 18:28:12.609 862 2038 W Binder : java.lang.NullPointerException: Attempt to get length of null array
01-18 18:28:12.609 862 2038 W Binder : at android.app.Notification$Action$Builder.build(Notification.java:1289)
Test: manual verification
Change-Id: I84fda80ebd12df7d90730b17fa77d4b9ce5f58d2