This reverts commit cf0501e4d7.
Reason for revert: b/317462033, it seems a flaky but revert it first.
Change-Id: Ie1d5e279cca6477fc17d8c27c1ecda8d7a6b2553
1. Unregister the volume control callbacks in onDestroy
2. Reuse SeekBarPreference#setProgress
3. Fetch volume from AudioManager if got invalid volume from VC service.
Flagged with enable_le_audio_sharing
Bug: 305620450
Test: manual
Change-Id: Id63d1dbff4c3cbdeb91c2537d951c39e1a932220