RFR: 8316211: Open source several manual applet tests

[Alexander Zvegintsev]

Open sourcing several manual applet tests


test/jdk/java/awt/Frame/DefaultSizeTest.java
test/jdk/java/awt/LightweightComponent/LightweightCliprect.java
test/jdk/java/awt/event/KeyEvent/FunctionKeyTest.java
test/jdk/javax/swing/JFrame/DefaultCloseOperation.java

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Commit messages:
 - initial

Changes: https://git.openjdk.org/jdk/pull/15827/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15827&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316211
  Stats: 529 lines in 4 files changed: 529 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15827.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15827/head:pull/15827

PR: https://git.openjdk.org/jdk/pull/15827