Android backend: use 'match' parameter in test harness.

We were using the wrong variable in the Android stub version of
run_built_executable. This doesn't affect any existing tests because
only mac-specific tests actually set this right now, but it may be
useful in future.

BUG=
R=thakis@chromium.org

Review URL: https://codereview.chromium.org/15288009

git-svn-id: http://gyp.googlecode.com/svn/trunk@1634 78cadc50-ecff-11dd-a971-7dbc132099af