Fix cpufreq test for CPU with > 2GHz clocks am: 0afbe66346 am: 507e2995d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/test/vts-testcase/kernel/+/19217911

Change-Id: I8758306883cc855077f3d8d8232808b19001c037
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>