Merge "Add constants for AllowedNetworkTypeBitmap" am: 7dabd13456 am: 4f00a18d09 am: 93d59f1f5d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1525998

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If1d8c9ac7ab4758a152e5002d7cc681764ad5d05