Merge "floss: Migrate base::Bind for do_in_main_thread" am: 58786712

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2615269



Change-Id: I9021b2b01e42b6703f39a6054a19b8e9902428a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>