Exluding BrowserManagerTest from the dev tests.  It is brought when we compile the user files (we need to compile hello sample for dev tests) because BrowserManagerTest is actually in user/src, not user/test.

Patch by: jlabanca
Review by: kprobst



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@6464 8db76d5a-ed1c-0410-87a9-c151d255dfc7