Update asan_device_setup script to LLVM r200382.

BUG=325685
R=pliard@chromium.org, bulach@chromium.org

Review URL: https://codereview.chromium.org/130913011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247677 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247677