tree bc51c5b128a8c1ee3633779dc82a27a1a70408cd
parent 2ec8b910261ffceb80bf4c11dc7cf1d1fd63949e
author hughchen <hughchen@google.com> 1545299279 +0800
committer hughchen <hughchen@google.com> 1545299403 +0800

Public isConnected() method

Public isConnected() method to know which MediaDevice is connected
to play media.

Bug: 121083246
Test: build pass
Change-Id: Ibf877bb6c9eaedc6a839f5108a5ae8b47219f2f6