RFR: 8146694: Break out shared constants and static BOT functions.

[David Lindholm]

Hi,

Please review this patch that breaks out common BOT constants and static 
functions into an AllStatic class.

Bug: https://bugs.openjdk.java.net/browse/JDK-8146694
Webrev: http://cr.openjdk.java.net/~david/JDK-8146694/webrev.00/


Thanks,
David