Merge "Remove unused btsnd_hcic_big_create_sync" am: 8600bef8 am: f4945c8f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2326556



Change-Id: I851311c897786b1ba1a6512630483a811d39cdb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>