Merge "Animate volume dialog expansion/contraction." into nyc-dev
am: e86ac2f

* commit 'e86ac2f0da9ec71e9d990291053eec8f352af52d':
  Animate volume dialog expansion/contraction.

Change-Id: Icbca2a9a418f8461d5134c7e10eff7f0556554d8