Merge tag 'android-9.0.0_r37' into staging/lineage-16.0_merge-android-9.0.0_r37

Android 9.0.0 Release 37 (PQ3A.190505.002)

* tag 'android-9.0.0_r37':
  Reserve enough space for RTSP CSD
  Visualizer: fix native crash when visualizer release
  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
  RESTRICT AUTOMERGE: aaudio: improve test_atomic_fifo
  RESTRICT AUTOMERGE: aaudio: fix FIFO wrapround frame counts
  RESTRICT AUTOMERGE: aaudio: Fix converting negative FIFO counters to index
  Relax error handling in MediaCodecsXmlParser
  Support to play the various tones as per the Indian standard

Change-Id: I6338f79727d384b7cf878192ef1607c46ca1a14c