tree daaddf01334b3269af9984aaee1600753ae0eb41
parent e8c79b042ef46e73fda01902a07cfc807c821ca2
author hughchen <hughchen@google.com> 1587555088 +0800
committer hughchen <hughchen@google.com> 1587698775 +0800

Base on MediaDeviceType to ranking devices list

- This CL base on MediaDeviceType to ranking devices list.
  The order is followed below rule:
  1. USB-C audio device
  2. 3.5 mm audio devce
  3. Bluetooth device
  4. Cast device
  5. Cast group device
  6. Phone
- Add test case

Bug: 152633051
Test: make -j42 RunSettingsLibRoboTests
Change-Id: Ia224f6e3b420c5b9c6ea428bfc737e3624a6ebe4