Add minidump fuzzer for breakpad.

Make fuzzer_test target clone defines, and also noop definitions for a few more variables.

BUG=None

Review-Url: https://codereview.chromium.org/2296893002
Cr-Original-Commit-Position: refs/heads/master@{#416081}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: dee978f1ee27b272aeebdc75cecc1ed4f8148eb6
3 files changed