Merge changes I26fd4fd2,Iaadf6e9b,I7d42f8a7,I0482376e into stage-aosp-tm-ts-dev

* changes:
  audio VTS: Update CompressedOffloadOutputStream implementation
  audio VTS: CompressedOffloadOutputStream to check the vendor API level
  audio VTS: add CompressedOffloadOutputStream test
  audio VTS: Refactor test parameter generation for I/O streams