tree 7215e85bae943107de3bf07537c28c98216f5690
parent 6e075b43b0ba324a97fc0f89ef65196ed25be671
author jiabin <jiabin@google.com> 1515176301 -0800
committer jiabin <jiabin@google.com> 1517015776 -0800

Add support for getting all available microphones characteristics.

Add MicrophoneInfo class in native side and native logic for supporting
query all available microphones.

Bug: 64038649
Test: Run test and check the print log.
Change-Id: Ic0a9cce55a1265a66ba08fe81b56b56cb88ba42f