RFR: 8279283 - (ch) BufferedInputStream should override transferTo [v3]

[Markus KARG]

> Implementation of JDK-8279283

Markus KARG has updated the pull request incrementally with one additional commit since the last revision:

  test for BufferedInputStream.transferTo

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6935/files
  - new: https://git.openjdk.java.net/jdk/pull/6935/files/8dac240d..fbc5def7

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6935&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6935&range=01-02

  Stats: 210 lines in 1 file changed: 210 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6935.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6935/head:pull/6935

PR: https://git.openjdk.java.net/jdk/pull/6935