Prevent camera app crashes on changing hw.camera.* settings am: 996546fcf4
am: 892f4f594d

* commit '892f4f594d0a158ef57ea0e2493822bc005edd49':
  Prevent camera app crashes on changing hw.camera.* settings

Change-Id: Ic45745e8911c8ba7240be749b453e0d770b3ac18