RFR: 8274175: (fc) java/nio/channels/FileChannel/Transfer2GPlus.java still failed in timeout

[Brian Burkhalter]

Test still fails in `othervm` mode; increase the timeout value.

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Commit messages:
 - 8274175: (fc) java/nio/channels/FileChannel/Transfer2GPlus.java still failed in timeout

Changes: https://git.openjdk.java.net/jdk/pull/5642/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5642&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274175
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5642.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5642/head:pull/5642

PR: https://git.openjdk.java.net/jdk/pull/5642