crash-reporter: Add diagnostics to help diagnose failures in the wild

We add logging messages that are generated during invocation of core2md, but we also enable sending arbitrary system info based on the configuration file.  In this case we add the list of running processes, meminfo, and dmesg.

Change-Id: Ifdf29b89dd60d56349fa39095d2aa07f6b5e2de2

TEST=UserCrash, unit tests

Review URL:
12 files changed
tree: b68be4e987f98d81ff293ea46ffcc23c8ed3a50a
  1. crash_reporter/