A2dp: For codec configuration change update stored volume to audio

Due to race condtion between active device change and codec
config change volume -1 updated to audio from codec upadte path
which start streaming with current stream volume. Actual volume
upadte is ignored.
Now updating current stored active device volume to start streaming
with last stored volume.

CRs-Fixed: 2522213
Change-Id: I75bdf050f4d773e54fc5ee9da3044276746c2b3a
1 file changed