Make IAudioPolicyService::{acquire,release}SoundTriggerSession work remotely

Previously those calls were reserved for local calling only and rejected
otherwise. They now need to be accessible remotely, since sound trigger
is moving to a different process.

Change-Id: Iadd26006b8d310b9c5d1fdbefc70c861dfa809f0
Bug: 142070343
1 file changed