Fixed service bound before clients register for bounding update am: db469ca1

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2091783



Change-Id: Id8024475b4de7a89c99b77ea5dacb53565fd7708
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>