Update detection logic for VS Express to '*express.exe'

BUG=377
R=scottmg@chromium.org

Review URL: https://codereview.chromium.org/68263002

git-svn-id: http://gyp.googlecode.com/svn/trunk@1781 78cadc50-ecff-11dd-a971-7dbc132099af
Disable new test from r1779 for the android generator.

BUG=gyp:379
TBR=torne@chromium.org

Review URL: https://codereview.chromium.org/68333002

git-svn-id: http://gyp.googlecode.com/svn/trunk@1782 78cadc50-ecff-11dd-a971-7dbc132099af