Delayed registering as a system service am: 80573576

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2677919



Change-Id: Ibcf272cc65da21622ab7da6032e13ff2fc1408e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>