* 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
and include the back button in the action bar.
* Kill the icon drawable not only because is a leftover,
but also doesn't really serve any puropose in the new UI.
Change-Id: I71ea2c118dcfd387904d04516572902babb16e35
Bring this up to speed on the Settings changes in N:
* Use support libs for preferences
* Hook up to Settings drawer through SettingsDrawerActivity
Change-Id: I9365b3ebd1bbfed2936302e30da50e3f9af06665
* show in settings
* drop support lib
* drop unnecessary viewpager/tab bar
* drop unused strings/resources
Change-Id: I90c62d7b106ad744ae698044f6f17a759fcbf8a3
Bruno Martins