This reverts commit f5d5b6f00f.
Reason for revert: Can be submitted once a build with ag/4040557 is available for flashing
Change-Id: Id94440a1dc9b765bb9758af81b0567628befa283
Also fixing the navbar to dark theme when a black bar is drawn behind nav bar
Fixing left/right margins not getting updated on lowRam device
when they change from non-zero value to 0
Bug: 64363693
Bug: 62547502
Change-Id: I4952ad2f564b71b39318350445f116a0f601a10f
SystemUiController manages various system UI flags in priorty order and merges
all the states before applying the syste flags.
Fixing WallpaperColors when it was not handing wallpaper change properly in
some cases
Change-Id: I915442818e7888c97c81f63c8ea9f3c13053eb2c