RFR: 8279283 - BufferedInputStream should override transferTo [v12]

[Markus KARG]

> Implementation of JDK-8279283

Markus KARG has updated the pull request incrementally with three additional commits since the last revision:

 - transformTo -> transferTo
 - wrapped long code lines
 - removed unused import

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/6935/files
  - new: https://git.openjdk.org/jdk/pull/6935/files/a4b6f913..c30ea5d2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=6935&range=11
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=6935&range=10-11

  Stats: 38 lines in 1 file changed: 18 ins; 1 del; 19 mod
  Patch: https://git.openjdk.org/jdk/pull/6935.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/6935/head:pull/6935

PR: https://git.openjdk.org/jdk/pull/6935