msm: camera2: cpp: Added protection for Timeout processing.

The timeout processing can be triggered due to delayed
tasklet processing. This change serialize timeout processing
with tasklet.

Change-Id: I4b79d8616406a5570727854479224d96b98b79c5
Signed-off-by: Rajakumar Govindaram <rajakuma@codeaurora.org>
msm: Fixing the Green frame issue in Raw snapshot

After Taking the Raw snapshot we should wait for the
Completion

CRS-Fixed: 530862
Change-Id: I6af0681a29dd478d3ff50af1ea31757c0f3b2e7e
Signed-off-by: Abhishek Kondaveeti <akondave@codeaurora.org>