Merge "CTS: Check for Single Volume status in AudioManagerTest" into oreo-cts-dev am: 6d1fd74618 am: 2ca1e69c13 am: 71e4e51fa1 am: b0968ed145
am: 2d01868bbf

Change-Id: I5712bdeaa51ff2abe173bbd8f6158156f0d67178