If we try to set an inline result when it has not yet been
accessed in settings, nothing is read from Settings.
Thus, include a default value for a fallback.
Change-Id: I8a593d9ff3308b2d0cd5bc65658d160abf55b07e
Fixes: 63955012
Test: robotests
The setting has little to no meaning when AOD is on.
Test: make
ROBOTEST_FILTER=AmbientDisplayAlwaysOnPreferenceControllerTest
RunSettingsRoboTests -j
Bug:62391405
Change-Id:If5492227755ca81ec0bcf921a81e2bfd33a85b9c