RFR: 8272759: (fc) java/nio/channels/FileChannel/Transfer2GPlus.java failed in timeout

[Brian Burkhalter]

Change the test to run in `othervm` mode.

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Commit messages:
 - 8272759: (fc) java/nio/channels/FileChannel/Transfer2GPlus.java failed in timeout

Changes: https://git.openjdk.java.net/jdk/pull/5593/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5593&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272759
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5593.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5593/head:pull/5593

PR: https://git.openjdk.java.net/jdk/pull/5593