[Author: thomasvl]
[Author: thomasvl]

SDK might allow blocks, but the code the test calls requires it (and 10.5
  thread apis), so instead check the min versions before building the test.

R=dmaclach
DELTA=3  (0 added, 0 deleted, 3 changed)

git-svn-id: de279663232b6350d3cffc59c8efba27ad613299@527 7dc7ac4e-7543-0410-b95c-c1676fc8e2a3

lxcid/google-toolbox-for-mac,sbentzen/Google-Toolbox-for-Mac,lxcid/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,chakrit/gtm,Yelp/google-toolbox-for-mac,Chilledheart/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,senpo/google-toolbox-for-mac,adinardi/google-toolbox-for-mac,Yelp/google-toolbox-for-mac,Yelp/google-toolbox-for-mac,adinardi/google-toolbox-for-mac,sbentzen/Google-Toolbox-for-Mac,chakrit/gtm,Chilledheart/google-toolbox-for-mac,senpo/google-toolbox-for-mac,chakrit/gtm,sbentzen/Google-Toolbox-for-Mac,adinardi/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,lxcid/google-toolbox-for-mac,senpo/google-toolbox-for-mac,Chilledheart/google-toolbox-for-mac