Relax measurement tests to allow 3 empty GnssData am: 5fdf11ffb9 am: bf7da99f98

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3286920

Change-Id: Ib7c8d792ba26925ccd7ccb5532fd1b3b53d79229
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>