Preempt direct track on resource constraint

If a direct output profile has reached its max open count, attempt to
close existing tracks on the profile to service the latest request.

Test: test_steal_exclusive
Test: atest AudioTrackOffloadTest
Test: atest ^#testMultipleAudioTrackOffloadPreemption
Bug: 294525897
Change-Id: If94405b5e92ae4c2e3ee8c97a3a941b3224940cd