Add rules to exclude files with paths containing /test/, /tool/ and /tools/.
Add rules to exclude files with paths containing /test/, /tool/ and /tools/.

BUG=none
TEST=manually tested by developer

Review URL: http://codereview.chromium.org/7637015

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@96768 0039d316-1c4b-4281-b951-d872f2087c98

yitian134/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,ropik/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium