RFR: 8277817: java/awt/dnd/BadSerializationTest/BadSerializationTest.java failed: ClassNotFoundException: com.apple.laf.AquaImageFactory$SystemColorProxy [v2]

[Liam Miller-Cushon]

> This change updates the serialized objects used by `java/awt/dnd/BadSerializationTest/BadSerializationTest.java` using a similar approach to the previous fix in [JDK-8039082](https://bugs.openjdk.java.net/browse/JDK-8039082).

Liam Miller-Cushon has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  8277817: java/awt/dnd/BadSerializationTest/BadSerializationTest.java failed: ClassNotFoundException: com.apple.laf.AquaImageFactory$SystemColorProxy

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6603/files
  - new: https://git.openjdk.java.net/jdk/pull/6603/files/ad9665ff..8b68c150

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6603&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6603&range=00-01

  Stats: 0 lines in 6 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6603.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6603/head:pull/6603

PR: https://git.openjdk.java.net/jdk/pull/6603