1) virtual displays creation and removal.
2) App Uids running on virtual displays.
These will be used in combination to ignore vibration initiated from a virtual display.
This change also consolicates the fix to avoid Null reference when VirtualDeviceManger
is not present in the available system services. See also ag/19744341.
Test: VibrationSettingsTest, VibratorManagerServiceTest
bug: 189474679
Change-Id: Ie10dbfe65bb3ab9d62ed5c7b5ed7095a51bccf24
Merged-In: Ie10dbfe65bb3ab9d62ed5c7b5ed7095a51bccf24
(cherry picked from commit a0ae5c1951)