frameworks/av: Enable subsystem re-start for LPA/Tunnel

-Audio Daemon in Audio HAL intimates AudioFlinger
 of ADSP status (online/offline) using set_paramaters.
-AudioFlinger send set_parameters to its clients
 which is DirectTrack used for LPA/Tunnel playback.
-In case of ADSP crash during LPA/Tunnel playback,
 clean up of DirectTrack is initiated.

Change-Id: I87f720f305765e00e12032eed3e018aeff952390
(cherry picked from commit 02861e0f092c46640576bb8c700418ed82c266c3)
(cherry picked from commit 5abe97aa9e103420813b87e7abb2b676ffe8d097)
(cherry picked from commit 9a27f1e6c449585095e518f0d2f44e621ef18f52)

Patchset: 4
http://review.cyanogenmod.org/#/c/55468/
Revert "stagefright: Cleanup ifdefs in pause code"

Breaks audio pause-resume on non-QCOM device. The code here goes
with QCOM-specific mPaused code in OMXCodec.cpp.

Also added one more ifdef to fix compile error.

This reverts commit f771dc65603c8d06865f08a1b88be60cb53e19dd.

Change-Id: I1ebf3d15cfb7bf5c92745e0ab88cffd7adf192a0

Patchset: 1
http://review.cyanogenmod.org/#/c/56290/