Revert "Fix frontOfTask assignment."

This reverts commit 9696deb77e9fe0910cf35baa2917b2be1839fa3e.
Revert "Support NoGapps style package signature faking"

This reverts commit 2bf69d96802a4b1f2f135a6bde097c0243c5ec20.
Revert "DocumentsUI: catch berserk apps on building recents"

This reverts commit 5728f53192cebff0df81212955ba33bb727a2e93.
Revert "Base: Fix jumping BatteryCircleMeter"

This reverts commit 2d68812fc036d5def74f5608ebc5980127d41284.
Revert "fix OmniTorch start from QS after firstboot/reboot"

This reverts commit 0280a0989eb96b9d018bbd2520457fd3ca07e1b6.
Revert "Base: QuickSettings: fix text size on landscape"

This reverts commit eac0594d08c43d835ccb7ea36da35134a4ea7c5c.
Revert "Base: Allow unregister Callback and Controller"

This reverts commit 1efad2465a378ee390412db8b5cc74cf34b8ad48.
Revert "DocumentsUI: fix recursive delete"

This reverts commit 7c2331bfc4abb9e09df27598ba61d78d1b907913.
Revert "Externalize symbol picker options to resources"

This reverts commit 6f98d711e3d5bd32d0c10cd43026de4dd8c65565.
Revert "Base: QuickSettings: Use DeviceUtils to determine NFC support"

This reverts commit af8c33584398928581a81a4b670a969b9b93e47e.
Revert "[1/2] base: make swap volume buttons RTL aware"

This reverts commit 7884df2d1139a062017dacac79be39e9aedc9d82.
Revert "[1/3] Base: QuietHours: allow disable system sound"

This reverts commit 8f5950ac94c9184340276f63b2b639a8f42f3a33.
Revert "base: fix NPE in percent battery onDraw on boot"

This reverts commit 231de0fa56f20b5507c9cff8b91f9f2d2a164b81.
Revert "base: add support for using the flip switch to turn off the screen"

This reverts commit 26e70b25d07fc31b3da84a5de2dcb6637e9d055a.