Merge master branch 'msm-4.9' into 'dev/msm-4.9-sched' branch

Bring dev/msm-4.9-sched topic branch up to date with mainline.

Change-Id: I0c6c394714dc57739201996becd6fc476b83bb98
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>