Revert "Increase the priority of audio player and source threads..."

Revert submission 24004743-java-api-set-thread-priority

Reason for revert: b/291756346

Reverted changes: /q/submissionid:24004743-java-api-set-thread-priority

Change-Id: I463213ba701a95d2304a3c68fc345f4ea758430c
5 files changed