Ensure ScheduledExecutor is not shutdown before scheduling timeout cleanup.
The scheduled executor in ConnectionServiceWrapper may be shutdown when calling createConference and createCall. This is infrequently causing a `RejectedExecutionException`. This CL adds a check that mScheduledExecutor is not shutdown before scheduling the cleanup.
Flag: EXEMPT Security High/Critical Severity CVE
Bug: 388588560
Test: manually using the provided apk + atest CallsManagerTest
Change-Id: I0aaa0f7f57b8dd137403b6ceb7068e7c99652e1f
1 file changed