Merge "Wait for network to be validated when setting a valid private DNS" am: acd3e2be33 am: 58f526a27b am: de8bb78107

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1801947

Change-Id: I687380add7b5db73cc263876ed8df6f3f12499b2