Merge "Revert "Revert^2 "Revert "Add CTS tests for exclude VPN routes A..."" am: e4f2b591de

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1941233

Change-Id: Ia6a71c1db14669366dc0e47b9ad5b6a630428f87