hg: jigsaw/jake/jdk: Minor clean up to the implementation of stack trace output

[mandy.chung at oracle.com]

Changeset: 584b91a4b43d
Author:    mchung
Date:      2016-09-30 13:20 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/584b91a4b43d

Minor clean up to the implementation of stack trace output

! src/java.base/share/classes/java/lang/Class.java
! src/java.base/share/classes/java/lang/StackTraceElement.java