Adding fuzzer for gatekeeperd

Fuzzing AIDL service gatekeeperd with fuzzService API.

Test: m gatekeeperd_service_fuzzer && adb sync data && adb shell /data/fuzz/x86_64/gatekeeperd_service_fuzzer/gatekeeperd_service_fuzzer
Bug: 232439428
Change-Id: I20a451f7981cab312e4c67b11c715198284d0051
2 files changed