am da0374bb: am ddfdd962: Check if ViewTreeObserver is alive before acting on it.
am da0374bb: am ddfdd962: Check if ViewTreeObserver is alive before acting on it.

* commit 'da0374bb1b120951b6c60a20184d8e9317322f0f':
  Check if ViewTreeObserver is alive before acting on it.

OrBin/SynClock-Android