Merge "Increase challenge size in tests." am: dcaa803893 am: a24527be86 am: 14bae2b195 am: d354a98041 am: 44d7340c72

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

Change-Id: I0b1ad39e61ca7e18fcbe4a9168850c7a631c0c76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>