RFR: 8290274: DRT 27 tests fail due to xml not well formed error on window

[Jay Bhaskar]

Issue: xml not well-formed error occurs at XML document parser.
Issue: doEnd() call not needed for JAVA platform, as it is making XMLDocumentParserLibxml2 xml not well-formed error.

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Commit messages:
 - 8290274: DRT 27 tests fail due to xml not well formed error on window

Changes: https://git.openjdk.org/jfx/pull/866/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=866&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8290274
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/866.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/866/head:pull/866

PR: https://git.openjdk.org/jfx/pull/866