Force linux_symbols target to run when building all (even though nothing depends on it).
Force linux_symbols target to run when building all (even though nothing
depends on it).

Review URL: http://codereview.chromium.org/270053


git-svn-id: http://src.chromium.org/svn/trunk/src@28626 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: de8f9c1e119ddb7db71c56941f22430814a18d53
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser