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

[automerger skipped] Merge "Use FLAG_IMMUTABLE for CarrierKeyDownloadManager" into qt-dev am: c05c2cbb -s ours am: 4d542af3 -s ours am: 34ab26f0 -s ours am: ba9977da -s ours

am skip reason: Change-Id I223047644021a647bce72f229998487bee0c007b with SHA-1 ed082037 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/11480990

Change-Id: I1d0bef5affc85bbe707d60b9d7d08573459fc424