[jdk17u-dev] RFR: 8280964: [Linux aarch64] : drawImage dithers TYPE_BYTE_INDEXED images incorrectly

[Martin Doerr]

Clean backport of [JDK-8280964](https://bugs.openjdk.java.net/browse/JDK-8280964)

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Commit messages:
 - Backport 6f882deddcc094777b45f0dacc7351dbc23993a4

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/300/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=300&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280964
  Stats: 100 lines in 8 files changed: 83 ins; 0 del; 17 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/300.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/300/head:pull/300

PR: https://git.openjdk.java.net/jdk17u-dev/pull/300