Avoid test abort if fuzzer finds valid inputs to importKey API. am: a0c4066427

Original change: https://android-review.googlesource.com/c/platform/system/keymaster/+/3126934

Change-Id: Ic307101ac1ce25100d70fc53be21de16faf387b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>