Merge commit '7c51cb81f6aa8030d893463cbc65c0e18e2a6956' * commit '7c51cb81f6aa8030d893463cbc65c0e18e2a6956': Cancel autofocus in stopPreview.
Merge commit '7c51cb81f6aa8030d893463cbc65c0e18e2a6956' * commit '7c51cb81f6aa8030d893463cbc65c0e18e2a6956': Cancel autofocus in stopPreview.