Implemented new preference setting screen for face based auto-rotation

Test: locally with phone and make -j64 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.display.SmartAutoRotatePreferenceControllerTest"

Bug: 172857585
Change-Id: I8aaeb9d726ff71f64fd241c01fe2a1268fff927e
9 files changed