VtsSecurityAvbTest: Adding GKI 2.0 test am: a7ad9cfe84 am: d8fe255a48

Original change: https://android-review.googlesource.com/c/platform/test/vts-testcase/security/+/1673127

Change-Id: I2ed029dc44927306b516594b71c0b60650b71b5b