tree 66656efb03caa2e12a7bc97f764d5b3a38837c92
parent 16bcc29edb3dac99f85abfe47ea5e731fd977769
author jiabin <jiabin@google.com> 1565214213 -0700
committer jiabin <jiabin@google.com> 1574807222 -0800

Return DeviceDescriptor or DeviceVector in Engine.

To remove the limit on the number of audio device types, there is a
need to remove the return value as a combination of audio_devices_t.
Using DeviceDescriptor or DeviceVector in Engine is a starting point.

Test: audiopolicy_tests, smoke test
Test: CTS for AudioTrack, AudioRecord, AudioManager
Bug: 135621476
Change-Id: I0d87fd76385629e6e6b74cdd37dbd334ae02c04f
Merged-In: I0d87fd76385629e6e6b74cdd37dbd334ae02c04f