Merge "Add test for CM#setAcceptUnvalidated" am: 27586f8210 am: d6d3bf0b89 am: 4da66b9d58

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1731234

Change-Id: I4cc9039afe6a397645f072593eaa4a0da765ee2f