RFR: 8278166: java/nio/channels/Channels/TransferTo.java timed out [v4]

[Brian Burkhalter]

> In the `testMoreThanTwoGB()` sub-test, only fill the last section of the file with random data in order to reduce test execution time.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8278166: Un-split line overlooked in previous commit

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6707/files
  - new: https://git.openjdk.java.net/jdk/pull/6707/files/a384a4f3..a4da4f3a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6707&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6707&range=02-03

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6707.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6707/head:pull/6707

PR: https://git.openjdk.java.net/jdk/pull/6707