Include output of "lsb_release -d" in crash reports.

/etc/lsb-release does not exist on all distros, and sometimes it does
not provide any useful info. Whereas all LSB complaint distros return
useful data with the lsb_release command.
Review URL: http://codereview.chromium.org/155653

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20936 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed