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: Ifc2e36bd24d9681d42105f4ccbb62a8777af2a6c Signed-off-by: Ken Zhang <kenz@codeaurora.org> Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>