Exclude even more non-essential directories from the release tarball.
Exclude even more non-essential directories from the release tarball.

These are mostly test files.

TBR=nsylvain

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/2818012

git-svn-id: http://src.chromium.org/svn/trunk/src@50098 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5b1512e2744cfbc80ee373a451cda73bc215f66b
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