Revert "Revert "msm: kgsl: Fix nice level for higher priority GPU start thread""

This reverts commit f08f913d4da8208f9a74ab81c2705dc9ab381d3c.
Revert "Revert "msm: kgsl: Add new API's to track device mutex owner""

This reverts commit 71e7366a191df70d8957892869190618fdafe55a.
Revert "Revert "PM / cpuidle: System resume hang fix with cpuidle""

This reverts commit 3aa13e9dd2bb8b745f60f7dfb8bdc67110aa4bed.
Revert "Revert "kthread: Implement park/unpark facility""

This reverts commit 34a602459d077c74f3119b1de1e481b36e09c842.
Revert "Revert "kernel: power: Add PM_USERSPACE_FROZEN workqueue""

This reverts commit 7115fea8e9936e041ec643718d054a8438fde656.
Revert "Revert "cpu: enhance power efficiency""

This reverts commit 01e8cdbc022bf9f347bb7b88c3461cde7f5bb46f.
Revert "Revert "sched: Trying to reduce power usage""

This reverts commit a465e5c333eac6fbf6334552bc4d806e03e9c600.