[jdk8u-dev] RFR: Merge jdk8u:master

[Andrew John Hughes]

Sync jdk8u422-b05/jdk8u422-ga

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Commit messages:
 - Merge
 - 8325600: Better symbol storage
 - 8324559: Improve 2D image handling
 - 8323231: Improve array management
 - 8323390: Enhance mask blit functionality
 - 8322106: Enhance Pack 200 loading
 - 8320097: Improve Image transformations
 - 8320548: Improved loop handling
 - 8319859: Better symbol storage
 - 8314794: Improve UTF8 String supports
 - ... and 4 more: https://git.openjdk.org/jdk8u-dev/compare/c8d52b07...48931d4d

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

Changes: https://git.openjdk.org/jdk8u-dev/pull/554/files
  Stats: 289 lines in 23 files changed: 134 ins; 26 del; 129 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/554.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/554/head:pull/554

PR: https://git.openjdk.org/jdk8u-dev/pull/554