Fix host-run-test-jar to be legal for /bin/sh

At least on my machine, /bin/sh complains about the [[ line.
Rewrite as a standard shell 'if'

Change-Id: I68efc4ceab8e2eb5636fa04ce8877883a4d76998
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
1 file changed