jake: enabling systemTests

[David Hill]

Kevin,
    if you could review: Enable systemTests in jake

https://bugs.openjdk.java.net/browse/JDK-8147399

http://cr.openjdk.java.net/~ddhill/8147399.2/

-- 
David Hill<David.Hill at Oracle.com>
Java Embedded Development

"A man's feet should be planted in his country, but his eyes should survey the world."
-- George Santayana (1863 - 1952)