[automerger skipped] Fixed incorrect unregister from connectivity service am:...

[automerger skipped] Fixed incorrect unregister from connectivity service am: 16f38bda -s ours am: 9b8f652b -s ours

am skip reason: Change-Id Idef20e1cd832623f8052e4701621f876b065ef6e with SHA-1 67918ee9 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/13294030

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2c4c75f74d545eee7dfbbec357bebec55613e78f