Having consistent import order will reduce chance of merge
conflict between internal and external master
Test: rebuild
Change-Id: I9acb311ec05f72f0a37f08b0d26785841fe91de5
The color space conversion logic in BrightnessController is also needed
by Settings app to display brightness percentage correctly. This change
moves the conversion logic to settingslib so it can be shared by other
UIs such as Settings/VrSettings.
Bug: 73810208
Test: atest RunSettingsLibRoboTests
Change-Id: If92f0da2d930fec797902b5d1b3731100e1d0ea4