RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u342-b07

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Commit messages:
 - Merge jdk8u342-b07
 - 8285407: Improve Xalan supports
 - 8284370: Improve zlib usage
 - 8283190: Improve MIDI processing
 - 8281866: Enhance MethodHandle invocations
 - 8281859: Improve class compilation
 - 8272243: Improve DER parsing
 - 8209771: jdk.test.lib.Utils::runAndCheckException error
 - 8272249: Better properties of loaded Properties
 - 8277608: Address IP Addressing

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/21/files
  Stats: 732 lines in 22 files changed: 523 ins; 96 del; 113 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/21.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/21/head:pull/21

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/21