Merge "Move Proxy, PacProxySelector out of Connectivity" am: ae171d864d am: b6c5e099b5 am: a7005ec455

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1598157

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib253a7ccf3beb8e9e5d0988db3d0662074dedda7