RFR: 8276252: java/nio/channels/Channels/TransferTo.java failed with OOM java heap space error

[Brian Burkhalter]

This request proposes to change the test to run in `othervm` mode.

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Commit messages:
 - 8276252: java/nio/channels/Channels/TransferTo.java  failed with OOM java heap space error

Changes: https://git.openjdk.java.net/jdk/pull/6219/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6219&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276252
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6219.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6219/head:pull/6219

PR: https://git.openjdk.java.net/jdk/pull/6219