Merge "Revert "ConnectivityManager#registerNetworkAgent gains an argument"" into main am: 6ea2d70537

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2854408

Change-Id: I77d85b3950423948973673a0a39c52a1d17e46a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>