Merge Linux-specific bits from upstream asan_symbolize.py into Chrome

TBR=timurrrr
Review URL: https://chromiumcodereview.appspot.com/10836026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149164 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed