BT: Absolute Volume retrial fix

- This change sets the direction of
  volume retrials once the remote has
  rejected the change value.
- The direction of retrial values will
  be in the direction user intended
  by pressing the volume key on DUT

CRs-Fixed: 2570978

Change-Id: Ib38f6292c12e4dc2cd64efc3578248890cb74c7d
1 file changed