DO NOT MERGE FLAG_FOREGROUND_SERVICE requires a running FGS

Bug: 269738057
Test: NotificationManagerServiceTest
Test: NotificationManagerTest
Test: ServiceTest
Change-Id: I11f5d3f19cb38cfb7e37489cbf029f7b2692f67c
Merged-In: d88e3522c6dc15a30875f810a2dd830657c482dc
Merged-In: I11f5d3f19cb38cfb7e37489cbf029f7b2692f67c
(cherry picked from commit d88e3522c6dc15a30875f810a2dd830657c482dc)
3 files changed