Setting up crash type in test fuzzer

Setting up crash type in fuzzer as this test fuzzer
should always find a crash in TestService. Exiting on
incorrect number of args won't be catched by infra.

Test: atest fuzz_service_test
Test: m test_service_fuzzer_should_crash && ./test_service_fuzzer_should_crash
Bug: N/A
Change-Id: I48053bada6fe67cfa6f3b6d30fc27dbf6afe28f8