Merge "BG-FGS-start while-in-use permission restriction improvement." into rvc-dev am: e51f884f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15081994

Bug: 183147114
Bug: 183204439
Test: atest cts/tests/app/src/android/app/cts/ActivityManagerFgsBgStartTest.java#testStartForegroundTimeout
Test: atest cts/tests/app/src/android/app/cts/ActivityManagerFgsBgStartTest.java#testSecondStartForeground

Change-Id: Ieaaa70884cd11cfa460ec2be6db5e40856ffccef
Merged-In: Idc88f274c7a323d175d65bb47eca041772ae9bb7