RFR 8235360: Update JDWP, JDI and Instrumentation specs for Record attribute

[Harold Seigel]

Hi,

Please review this trivial change to add documentation about the Record 
attribute to the JDWP, JDI, and Instrumentation specs.

The changed .html pages (best viewed as 'raw') are included in the 
webrev but will not be pushed.

Open Webrev: 
http://cr.openjdk.java.net/~hseigel/bug_8235360/webrev/index.html

JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8235360

The fix was regression tested by running Mach5 tiers 1 and 2 tests and 
builds on Linux-x64, Solaris, Windows, and Mac OS X.

Thanks, Harold