RFR: 8272047: java/nio/channels/FileChannel/Transfer2GPlus.java failed with Unexpected transfer size: 2147418112

[Brian Burkhalter]

Please consider this fix which resolves a test consistently failing on aarch64 in the CI pipeline.

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Commit messages:
 - 8272047: java/nio/channels/FileChannel/Transfer2GPlus.java failed with Unexpected transfer size: 2147418112

Changes: https://git.openjdk.java.net/jdk/pull/5025/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5025&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272047
  Stats: 14 lines in 1 file changed: 6 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5025.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5025/head:pull/5025

PR: https://git.openjdk.java.net/jdk/pull/5025