Update IsGrf() condition am: c714dff82e am: 821cf7f16a am: bf9dbff255

Original change: https://android-review.googlesource.com/c/platform/test/vts-testcase/security/+/2845237

Change-Id: Iaacde06f78386702675ca3d7d9da68a7b57ffdab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>