commit 28644e3b9e5cf0681af4836d78d80ee5b1357706
author Hui Yu <huiyu@google.com> Sun Mar 14 22:07:55 2021 -0700
committer Hui Yu <huiyu@google.com> Wed Mar 24 13:04:53 2021 -0700
tree f1204da66f4ae2b3a842c48878395f0f3bdd8fb1
parent 4221ca489c1e210eed35df0bcbba6736c32ef716

BG-FGS while-in-use restriction uses the same grace period mechanism as BG-Activity-Launch.

WindowProcessController.areBackgroundActivityStartsAllowed() has the 10 seconds grace period,
starts from last activity's launch time or finish time.

Expose this method for AMS to call, to determine if BG-FGS while-in-use permission is allowed.

Bug: 182400165
Test: atest cts/tests/app/src/android/app/cts/ActivityManagerFgsBgStartTest.java
Merged-In: I30706dc1950bf5d49926a8e26c0493d9e168eb1b
Change-Id: I3615d0a2dc3464b6e980237b906c83872c3b4bce