BroadcastProcessQueue: Clear RunnableAt invalidates.

Once we recompute the runnable state, it's no longer invalid.

Test: atest FrameworksMockingServicesTests:BroadcastRecordTest
Test: atest FrameworksMockingServicesTests:BroadcastQueueTest
Test: atest FrameworksMockingServicesTests:BroadcastQueueModernImplTest
Bug: 261898365

Change-Id: I8bfacbd0c1b9e854b86c5e6a0e478509739f5a88
1 file changed