[automerger skipped] Fix CarrierServiceConnection binding leak in CarrierConfigLoader am: c590122851 am: 04cf2a51e0 -s ours

am skip reason: Merged-In If7926102f3afb74fbab5231c2875fbad5a69c7e3 with SHA-1 dba4ccd5f8 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/15881351

Change-Id: I0bb8e379c4183f8fa9992418c644a114dca8b89f