msvs: add some touches to many-actions test to make sure incremental works correctly

msvs: add some touches to many-actions test to make sure incremental works correctly

Per discussion here: https://chromiumcodereview.appspot.com/10387164/

R=jeanluc@chromium.org

Committed: https://code.google.com/p/gyp/source/detail?r=1382

[scottmg, 2012-05-16 23:07:00]

seems to work ok, might as well commit it anyway.

[jeanluc1, 2012-05-16 23:12:17]

lgtm