Change-Id: Ia4dcba1c6966f23dd2a15e69324b7345aed8f944
This helps post runnable to the handler and cancel pending runnables at once. It'll be used for delay-call methods that initiate a fragment transaction, and cancel then in onSaveInstanceState(). Change-Id: Ib8bdb0e676e756854ab067a27e5e0f397219a4b4