Merge "Rename getVpnRequiresValidation to isVpnValidationRequired" am: 978370cb9c am: 0cd08c3af8

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1991612

Change-Id: I3143cbd6ac9538344ef3ff66add8a21d1ed96cc3