* Apply the default Oreo theme and inherit the layouts from Google
for the Settings app, in order to keep UI consistency.
* Get rid of SettingsDrawerActivity as it no longer fits in.
* Add required appcompat and preference support libraries.
* Integrate into display settings category using IA.
Change-Id: I8438e0ebec27085df2be4668f8f7170d2010fb20
Make use of LiveDisplay's implementation of display modes.
Remove AdvancedDisplay's display mode support as it duplicates
functionality provided by the CMHW implementation.
Based on Sean hoyt's original work on klmintwifi.
Change-Id: I455a8c764118adbdb997b2ba9145e24fecb8199b