[jdk8u-dev] RFR: 8287463: JFR: Disable TestDevNull.java on Windows [v5]

[Jiří Vaněk]

> 8287463: JFR: Disable TestDevNull.java on Windows

Jiří Vaněk has updated the pull request incrementally with one additional commit since the last revision:

  Used jdk.test.lib.Platform instead of testlib

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Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/255/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/255/files/ad875886..5feaede7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=255&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=255&range=03-04

  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/255.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/255/head:pull/255

PR: https://git.openjdk.org/jdk8u-dev/pull/255