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 am: 500971a6

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

Change-Id: Iee3e87ce8807c33eb62f96816e0b0b48e228895e