Merge changes from topic "media_output_dialog" into rvc-qpr-dev
* changes:
Apply animation for Media Ouput Switcher dialog
Add dynamic item in output switcher if it is available
Fix NPE when notification icon is empty
Fix output switcher didn't show album art
Add dynamic group operation in output switcher
Enhancement for group operation in output switcher
Add dismiss timing for Media Output Dialog
Update OutputSwitcher from SettingsPanel to MediaOutputDialog in SystemUI
Add constant for dismiss Settings panel
Add animation when switching output device
Add dismiss intent and method for MediaOutputDialog
Add "Stop" button for remote device
Add constant for dialog dismiss
Rename MediaOutDialogReceiver to MediaOutputDialogReceiver
Add getFeatures() for get device supporting features
Add a receiver to launch Output Switcher dialog
Add MediaOutputDialogFactory to create MediaOutputDialog
Add Media Output Dialog for Output Switcher
Add controller for Media operation
Add MediaOutputAdapter for Media device list
Define strings for output switcher dialog in SystemUI
Add image utility methods
