[Invisalign2] make is_originator public and remove friends am: 1c7a3f8a am: 28d30643

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2863306



Change-Id: I601caa0b1c47c02752b52a8c196f76abb791a3dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>