RFR: 8265980: Fix systemDictionary and loaderConstraints printing [v2]

[Coleen Phillimore]

> This is a trivial change to fix printing in PrintSystemDictionaryAtExit, see CR for more details.
> Tested with tier1 on 5 Oracle-supported platforms and manually.

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Remove commented out friend class.

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3696/files
  - new: https://git.openjdk.java.net/jdk/pull/3696/files/9608ab4b..bcc11187

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3696&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3696&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3696.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3696/head:pull/3696

PR: https://git.openjdk.java.net/jdk/pull/3696