BQR: Add Bluetooth Quality Report v4 feature

- Add Event Bitmask for LE Audio Choppy
- Extend the link quality report event fields for isochronous channels

Bug: 212222351
Bug: 197297645
Tag: #feature
Test: Verified the BQR event for new added fields.

Change-Id: Ic1de91259d7726750e6e488f243f1901d567eb5b
(cherry picked from commit f726977c)
Merged-In: Ic1de91259d7726750e6e488f243f1901d567eb5b