Enable packing example fuzzer and add dict and corpus am: 2a07a90fa4 am: 0c1f2a7d56 am: bb6241187a

Original change: https://android-review.googlesource.com/c/platform/tools/security/+/1691317

Change-Id: I668045cd2786d8617a0017e594d6c237d93965b9