RFR: 8295351: java/lang/Float/Binary16Conversion.java fails with "Unexpected result of converting"

[Smita Kamath]

8295351: java/lang/Float/Binary16Conversion.java fails with "Unexpected result of converting"

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Commit messages:
 - Updated code to fix windows build issue
 - Removed test from ProblemList-Xcomp file
 - Fix for JDK-829531

Changes: https://git.openjdk.org/jdk/pull/11301/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11301&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295351
  Stats: 19 lines in 2 files changed: 12 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/11301.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11301/head:pull/11301

PR: https://git.openjdk.org/jdk/pull/11301