Merge "Remove Vpn#isBlockingUid." am: 2982364969 am: 88f04b79bd am: 316966eb7e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1528212

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I141c6e1d0585f81e2ab14ad96499beb112eebdb5