Rename the AnrTimer trunk-stable flag

Rename the AnrTimer trunk-stable flag because the original one has a
corrupted workflow.

Test: atest
 * FrameworksServicesTests:AnrTimerTest

Bug: 282428924
Change-Id: I44c3d9faf2f7a24cdbd7e2e9b4637c084763be1d
2 files changed