Enable stack tool and ASan symbolization of logcat on Android bots.

BUG=325685
R=frankf@chromium.org, craigdh@chromium.org, navabi@chromium.org

Review URL: https://codereview.chromium.org/149503002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248694 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248694