Merge "Revert "Revert "Revert "Fix CarrierServiceConnection binding leak in CarrierConfigLoader"""" am: 2ba8d56204 am: 2bd676ccea am: 99b56d7946 am: 5d4c47d28d am: 1832e0aa67

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1884949

Change-Id: I31c5a7a8a9dd9b497daf2dd64c0073280c658525