Only apply volumes for active devices

When the currently active device is not an absolute volume device and
the contextual bt stream changes do not apply the new volumes.

Test: repro steps in bug
Bug: 379009970
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:3d8d894e8cfc5013c91cfb8b33a87ec3a6f04003)
Merged-In: If0645ffd0271927b135b72fd36dc87ab0752bf44
Change-Id: If0645ffd0271927b135b72fd36dc87ab0752bf44