Merge tag 'android-9.0.0_r34' into lineage-16.0-android-9.0.0_r34

Android 9.0.0 Release 34 (PQ2A.190305.002)

* tag 'android-9.0.0_r34':
  AudioFlinger: put effect desc lookup under mutex for createEffect
  audioserver: Use '_exit' instead of 'exit' in HalDeathHandler
  RESTRICT AUTOMERGE: aaudio: improve test_atomic_fifo
  RESTRICT AUTOMERGE: aaudio: Fix converting negative FIFO counters to index

Change-Id: I12faeafb15a5ac2f7d788630adebe22f8727c88d