[automerger skipped] Merge "Use formal API for ActivityThread to set proxy" am: 394170f9cc am: b70ef11f73 am: 8a1fc93c4d -s ours

am skip reason: Change-Id Ifb516194ecde1567cea4b6806946091cdcf2f015 with SHA-1 a26ffd97ee is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1512874

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I93f888c69346acc9e7bd3bfd77be2e3d5553f6d9