Revert "Revert "Revert "PM / cpuidle: System resume hang fix with cpuidle"""

This reverts commit 6512ed2fa5d947c062e38dd1ab7858f7357005c4.
Revert "Revert "Asynchronous Fsync: initial extraction of Async Fsync from HTC""

This reverts commit 0caf2821e3d025d948a169bbe9273f0306fc0fff.
Revert "Revert "zen-tune: Implement zen-tune v3""

This reverts commit 059dcdeb2564673a2c6ff65ee2171a07e526ab48.