hg: jdk8/2d/jdk: 7154822: forward port fix for Bug 13645891 to JDK8 jcmd (1024 byte file size limit issue)

[sean.coffey at oracle.com]

Changeset: 6f9e3ac30764
Author:    dbuck
Date:      2012-03-30 10:18 -0700
URL:       http://hg.openjdk.java.net/jdk8/2d/jdk/rev/6f9e3ac30764

7154822: forward port fix for Bug 13645891 to JDK8 jcmd (1024 byte file size limit issue)
Summary: Changed so that jcmd breaks input into individual lines and sends each one to the jvm separately.
Reviewed-by: dcubed, sla

! src/share/classes/sun/tools/jcmd/JCmd.java
+ test/sun/tools/jcmd/dcmd-big-script.txt
+ test/sun/tools/jcmd/jcmd-big-script.sh