Enable packing example fuzzer and add dict and corpus am: 2a07a90fa4 am: 0c1f2a7d56 am: bb6241187a am: f39192c839

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

Change-Id: I89b388c6ba4e92ba8367b753231167ed5f66ea9a