[automerger skipped] Merge "Use FLAG_IMMUTABLE for InstallCarrierAppUtils"...

[automerger skipped] Merge "Use FLAG_IMMUTABLE for InstallCarrierAppUtils" into qt-qpr1-dev am: b395cf49 -s ours am: 46770e85 -s ours am: 794bdcdb -s ours

am skip reason: Change-Id I8ac155bf53e33474e1fcdb2466743a1e05b92399 with SHA-1 76decc9e is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/11493530

Change-Id: Idbc3312249d066e5aa1f777274a66f2f3c8b0f5a