[jdk11u-dev] RFR: Merge jdk11u:master

[Andrew John Hughes]

Merge `jdk-11.0.28-ga`

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Commit messages:
 - Merge
 - 8360147: Better Glyph drawing redux
 - 8351422: Improve scripting supports
 - 8350991: Improve HTTP client header handling
 - 8349594: Enhance TLS protocol support
 - 8349111: Enhance Swing supports
 - 8348989: Better Glyph drawing
 - 8345625: Better HTTP connections

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

Changes: https://git.openjdk.org/jdk11u-dev/pull/3065/files
  Stats: 374 lines in 21 files changed: 279 ins; 22 del; 73 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/3065.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/3065/head:pull/3065

PR: https://git.openjdk.org/jdk11u-dev/pull/3065