Merge changes from topics "vpnmove-getconnectionowneruid", "vpnmove-systemdefaultcallback", "vpnmove-vpntransportinfo" am: 250855cb84

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1572981

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I83b4210780cf87006be5f55439ade06cd7893530