RFR: 8268387: Rename maximum compaction to maximal compaction in G1 [v2]

[Stephanie Crater]

> Please review this small change to address Issue [JDK-8268387]( https://bugs.openjdk.java.net/browse/JDK-8268387)

Stephanie Crater has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Rename maximum compaction to maximal compaction

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6982/files
  - new: https://git.openjdk.java.net/jdk/pull/6982/files/f67c89b8..dac8c148

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6982&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6982&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6982.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6982/head:pull/6982

PR: https://git.openjdk.java.net/jdk/pull/6982