Turn off building tests for physfs.
Turn off building tests for physfs.

They don't currently build without using zlib as shared library.

BUG=none
R=sbc@chromium.org

Review URL: https://codereview.chromium.org/14013007

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@736 7dad1e8b-422e-d2af-fbf5-8013b78bd812

kosyak/naclports_samsung-smart-tv,kuscsik/naclports,clchiou/naclports,yeyus/naclports,Schibum/naclports,clchiou/naclports,dtkav/naclports,adlr/naclports,binji/naclports,kuscsik/naclports,binji/naclports,kuscsik/naclports,yeyus/naclports,kuscsik/naclports,adlr/naclports,dtkav/naclports,clchiou/naclports,dtkav/naclports,adlr/naclports,binji/naclports,kuscsik/naclports,kosyak/naclports_samsung-smart-tv,Schibum/naclports,yeyus/naclports,adlr/naclports,Schibum/naclports,clchiou/naclports,kosyak/naclports_samsung-smart-tv,Schibum/naclports,binji/naclports,kosyak/naclports_samsung-smart-tv,yeyus/naclports,dtkav/naclports,dtkav/naclports,yeyus/naclports,yeyus/naclports,Schibum/naclports,clchiou/naclports,kosyak/naclports_samsung-smart-tv,Schibum/naclports,adlr/naclports,binji/naclports