Merge "Revert "Fix CarrierServiceConnection binding leak in CarrierConfigLoader"" am: 2493f6011b am: 9cb7ab8715

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1878773

Change-Id: I55f5137d3a7525eeec401f931a41b4a11401453d