RFR: 8155025: 0.001.toFixed(2) should return "0.00" not "0"

[Andreas Woess]

Please review:
http://cr.openjdk.java.net/~aw/8155025/webrev/
https://bugs.openjdk.java.net/browse/JDK-8155025

This is a bug introduced by JDK-8010803, so it doesn't affect jdk8.

Thanks,
Andreas