Merge "Rename getVpnRequiresValidation to isVpnValidationRequired" am: 978370cb9c am: 0cd08c3af8 am: 42a2e6fef7

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

Change-Id: Ib56d12f9ba04abb9dbd317e2f9630753287c832d