RFR: 8316211: Open source several manual applet tests [v3]

[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

Alexander Zvegintsev has updated the pull request incrementally with one additional commit since the last revision:

  review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15827/files
  - new: https://git.openjdk.org/jdk/pull/15827/files/69a125fa..abece69d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15827&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15827&range=01-02

  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 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