msm_fb: dtv: Serve device off in a separate thread

DTV device should not be powered down until the audio engine has
shutdown. This change moves dtv audio off sequence to a separate
thread so that framebuffer close system call does not get blocked.

CRs-Fixed: 412575
Change-Id: I246a9e58f1367e653913773696510f375abf3d3a
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
Revert "netfilter: xt_qtaguid: remove AID_* dependency for access control"

 * This change is apparently from the future.

This reverts commit dcd85f8514d32ecc24442dfc9dc4943cfefe06f0.