am 6c72c187: (-s ours) Reconcile with jb-mr2-release jb-mr2-zeroday-release - do not merge

* commit '6c72c1877fadca5068fa94f7a0249c0609e85534':
  camera2/3: Fix deadlock take picture while preview callback
  camera3: Fix crash in set error state.
  camera2/3: Add protection to callback processing call