audio: Propagate errors from Driver::setConnectedDevices am: 75b59dfb4e am: c135ebc172 am: 7c6cb9405f am: deade0b3c1

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2639435

Change-Id: I100566f8847bcf7533936215112216510840ee30
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>