RFR: JDK-8297230: Update Marlin2D to 0.9.4.6 [v4]

[Laurent Bourgès]

> Initial PR

Laurent Bourgès has updated the pull request incrementally with one additional commit since the last revision:

  fixed class header comment

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11225/files
  - new: https://git.openjdk.org/jdk/pull/11225/files/0ef50ab6..4912b048

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11225&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11225&range=02-03

  Stats: 19 lines in 4 files changed: 0 ins; 4 del; 15 mod
  Patch: https://git.openjdk.org/jdk/pull/11225.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11225/head:pull/11225

PR: https://git.openjdk.org/jdk/pull/11225