update msm_rotator.h
Revert "update msm_rotator.h"

This reverts commit 0ed3c7bb1bb4584673ec7fa933db290092a1a5bc.
msm: rotator: sync point support

Add MSM_ROTATOR_IOCTL_BUFFER_SYNC ioctl interface.
Rotator will create a timeline for each session at START, wait for
input fence and create released fence in this ioctl call,
signal the timeline after rotation is done.

Change-Id: Ia0b7191a0a3bc64f57fc95dfe4c3b5016b4a4340
Signed-off-by: Ken Zhang <kenz@codeaurora.org>

Conflicts:
	drivers/char/msm_rotator.c
msm: rotator: non-blocking rotate

Send request to a work queue and return right away.
Work queue will go through the commit queue to do the
rotation. wait_for_finish can be set to true to make
rotation go back to blocking.

Change-Id: I35791dd5f7eb0a865e9dd0641ba0cfd335db8850
Signed-off-by: Ken Zhang <kenz@codeaurora.org>

Conflicts:
	drivers/char/msm_rotator.c