msm: camera: Add extra skip after applying flash off operation

Currently flash off operation is exposing partial lit. Flash HW
needs extra frame to completely cool down. This change adds extra
skip frame for flash off operation to give flash hardware enough
time to reach luminance level to zero.

Change-Id: I321756c5989c974ad7a3df5f78bcd7b6e27c6eb3
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>