RFR: 8281658: Add a security category to the java -XshowSettings option [v8]

[Sean Coffey]

> New functionality in the -XshowSettings menu to display relevant information about JDK security configuration

Sean Coffey 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 15 additional commits since the last revision:

 - Avoid sharing INDENT variables
 - Merge branch 'master' into 8281658-showsettings-security
 - Don't allow bad subcommand values for security component
 - restore more informative help message
 - Split long properties for ; also
 - Pass PrintStream to security helper
 - Refactor out security code to helper class
 - Print aliases. Order Provider type/service output.
 - Incorporate review comments from Roger and tweak some code
 - Merge branch 'master' into 8281658-showsettings-security
 - ... and 5 more: https://git.openjdk.org/jdk/compare/698e2b5c...7e6f5090

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14394/files
  - new: https://git.openjdk.org/jdk/pull/14394/files/77c9f5e2..7e6f5090

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14394&range=07
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14394&range=06-07

  Stats: 31805 lines in 1150 files changed: 12787 ins; 12829 del; 6189 mod
  Patch: https://git.openjdk.org/jdk/pull/14394.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14394/head:pull/14394

PR: https://git.openjdk.org/jdk/pull/14394