RFR: JDK-8342635 : javax/swing/JFileChooser/FileSystemView/WindowsDefaultIconSizeTest.java creates tmp file in src dir

[Harshitha Onkar]

WindowsDefaultIconSizeTest.java updated to store the tmp file in test scratch dir (default location) instead of test src dir.

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Commit messages:
 - test updated not to use src dir

Changes: https://git.openjdk.org/jdk/pull/21619/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21619&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342635
  Stats: 4 lines in 1 file changed: 0 ins; 2 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21619.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21619/head:pull/21619

PR: https://git.openjdk.org/jdk/pull/21619