Add simple hashbrown fuzzer. am: 5c09b7dc6d am: ec9dec08b4

Original change: https://android-review.googlesource.com/c/platform/tools/security/+/1867152

Change-Id: I7800d21549b3938cb64d143081557026f0a26304
tree: 15e7d0fc7aa2b59a6820d6d70fcbd0ea21fb57ac
  1. fuzzing/
  2. gdb/
  3. remote_provisioning/
  4. sanitizer-status/
  5. CleanSpec.mk
  6. OWNERS