Update IsGrf() condition am: c714dff82e

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

Change-Id: I4a91685081b00a45263b368fcdbf014ad4eaf71b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>