8183321: Better cleanup for jdk/test/java/io/File/createTempFile/NameTooLong.java
8183343: Better cleanup for jdk/test/java/nio/file/spi/SetDefaultProvider.java
8183344: Better cleanup for jdk/test/java/io/File/createTempFile/SpecialTempFile.java
Change locations where temporary files are created to ensure cleanup
Reviewed-by: chegar, alanb