flags: add refactor_saving_messages_and_metadata am: 9d60cfab

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3114304



Change-Id: Iee7d79738fbe1016c765519e8cfcd843a598d6b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>