Merge "Increase challenge size in tests." am: dcaa803893 am: a24527be86 am: 14bae2b195 am: d354a98041

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2066892

Change-Id: Ie27e796a8d97b4837f3f5e31eb9c6820e7eedcb1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>