Adding More Bluetooth Media Test coverage.

Tests added to
1. Play media and compare media metadata on both ends
2. Connect a src to sink when the src is already playing
   and check if the sink automatically starts playing
   after connection
3. Disconnect in the middle of a streaming session and
   check if the sink stopped playing.

Bug: b/29100401
Test: Tested on Mojave bat_mas and Angler
Change-Id: I2123f812794bd45fe9e9f704f208ea2667cffec6
3 files changed
tree: eec38e99f3d9b8f74a2f4b019b9f890f7f044f57
  1. acts/
  2. Android.mk