Merge "Allow VPN apps to ask for running the validation checks" am: cbb2fa2f00 am: 64ba50411e am: 1f929d9bd5 am: aac1b3a307

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1962928

Change-Id: Iab6157c17d9f4c6554ba65296443eec42dd21e71