hg: jdk/jdk: 8198253: ThreadInfo.from(CompositeData) incorrectly accepts CompositeData with missing JDK 6 attributes

[mandy.chung at oracle.com]

Changeset: b1c42b3cd19b
Author:    mchung
Date:      2018-02-28 17:11 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/b1c42b3cd19b

8198253: ThreadInfo.from(CompositeData) incorrectly accepts CompositeData with missing JDK 6 attributes
Reviewed-by: dfuchs, jmanson

! src/java.management/share/classes/java/lang/management/MonitorInfo.java
! src/java.management/share/classes/java/lang/management/ThreadInfo.java
! src/java.management/share/classes/sun/management/LockInfoCompositeData.java
! src/java.management/share/classes/sun/management/MonitorInfoCompositeData.java
! src/java.management/share/classes/sun/management/StackTraceElementCompositeData.java
! src/java.management/share/classes/sun/management/ThreadInfoCompositeData.java
- src/java.management/share/classes/sun/management/TypeVersionMapper.java
! test/jdk/java/lang/management/CompositeData/ThreadInfoCompositeData.java
! test/jdk/sun/management/StackTraceElementCompositeData/CompatibilityTest.java