Add new API for setting and adjusting device volume

We still maintain the setDeviceVolume method which does not allow to
change the active device volume to not break the existing usages. The
new APIs are more generic and allow to change/adjust any device volume.

Test: atest AudioDeviceVolumeManagerTest
Bug: 404313846
Bug: 396216663
Flag: android.media.audio.device_volume_apis
Change-Id: Icad405bac8f8ce73c3c04eb7c2381f750fd7af6e