TimerThread-test: Adjust test for new timeout queue.

Fix counting issue due to adding an explicit timeout queue
for tasks that have executed instead of cancelled (retired).

Before this change, there was only the retired queue.

Test: atest libmediautils_test
Bug: 233671871
Change-Id: I8bd01c5fee4b206d766ee5bded14ad8ec34d3d07
1 file changed