Merge "Remove unused method checkUidNetworkingBlocked" am: 7cd588e210 am: 88c64a0345 am: d67767b7f9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1657766

Change-Id: I069970241689bde2b615ac0fef523f155d1226f4