Merge "legacy: Remove unused variable stack::a2dp_vendor_ldac_decoder" am:...

Merge "legacy: Remove unused variable stack::a2dp_vendor_ldac_decoder" am: c5449c29 am: 756ccdfd am: 34943b55

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1859538

Change-Id: I619a7033ebb9529a542043ae349f2406607a3816