RFR: 8286709: (fc) FileChannel/FileChannelImpl cleanup [v2]

[Brian Burkhalter]

> Clean up some verbiage and code, mostly spaces and line breaks.

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

  8286709: Clean up the cleanup

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8889/files
  - new: https://git.openjdk.java.net/jdk/pull/8889/files/cfff8883..ab19acc6

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8889&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8889&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8889.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8889/head:pull/8889

PR: https://git.openjdk.java.net/jdk/pull/8889