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

[Invisalign2] make is_originator public and remove friends am: 1c7a3f8a am: 28d30643 am: 837ba497

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



Change-Id: Id5aca6b8bf7e6a3f940eb8848f4ec542642884e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>