tree a5faa56db141799f605d8fc81774690636553814
parent 980ccdca19b0b22118b7af25be537e8ed27ae23f
author Hall Liu <hallliu@google.com> 1520551052 -0800
committer Hall Liu <hallliu@google.com> 1520624304 -0800

Follow system mic mute state in Telecom

Listen to the new microphone mute state changed broadcast so that the
incall screen can display the mute state if it's changed by another app.

Bug: 64847052
Test: manual
Change-Id: Icec5631e24aff751efe865af2eb9b8c940bae882