Merge "Do not broadcast single registration capability update intent until carrier config is loaded" into sc-qpr1-dev am: 3d9db18dce am: c05aaa7d31

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/15831047

Change-Id: I389d76b2c1b3a3cc6550d99bbd94e34b02661a64