Revert "Put vendor. prefix to audio sysprops" This reverts commit 87c8edeb14ea286518611fafc19f16c00cf3942d. Reason for revert: No vol adjust on calls No audio in duo vid calls. Bug: 139108926 Change-Id: I34fbb0cd0b5b9fe033f3f5ac2803dfcb29f1a4f1 (cherry picked from commit fbaf8cac6ccc31503911efa21c7fb6ba53f7c184)