Merge "csis: Do not notify new member if group is complete" am: e5670219 am: a8c34fa0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2497017



Change-Id: I75164dc779a60e673a3d616720070e823e4b70b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>