RFR: 8259009: G1 heap summary should be shown in "Heap Parameters" window on HSDB [v2]

[Yasumasa Suenaga]

> G1 heap summary (G1 Heap, summaries for each spaces) is shown on console even though I chosen "Heap Parameters" menu on HSDB. It should be shown on "Heap Parameters" window on HSDB.

Yasumasa Suenaga has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Update copyright year
 - Merge remote-tracking branch 'upstream/master' into JDK-8259009
 - G1 heap summary should be shown in "Heap Parameters" window on HSDB

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1911/files
  - new: https://git.openjdk.java.net/jdk/pull/1911/files/4d8d484f..7fca8434

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1911&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1911&range=00-01

  Stats: 74715 lines in 2162 files changed: 26456 ins; 30967 del; 17292 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1911.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1911/head:pull/1911

PR: https://git.openjdk.java.net/jdk/pull/1911