[jdk17u-dev] RFR: 8328185: Convert java/awt/image/MemoryLeakTest/MemoryLeakTest.java applet test to main

[Goetz Lindenmaier]

I backport this for parity with 17.0.15-oracle.

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Commit messages:
 - Backport 4e83f4cfc779e39cca0070b5729a508aeaa74654

Changes: https://git.openjdk.org/jdk17u-dev/pull/3131/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3131&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328185
  Stats: 174 lines in 1 file changed: 41 ins; 94 del; 39 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3131.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3131/head:pull/3131

PR: https://git.openjdk.org/jdk17u-dev/pull/3131