RFR: 8273513: Make java.io.FilterInputStream specification more precise about overrides [v3]

[Brian Burkhalter]

> Modify the class level specification of `java.io.FilterInputStream` to be more exact about `java.io.InputStream` methods that it overrides.

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

  8273513: Remove an extra space

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5426/files
  - new: https://git.openjdk.java.net/jdk/pull/5426/files/96f5ffc3..bf2896a4

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5426&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5426&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5426.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5426/head:pull/5426

PR: https://git.openjdk.java.net/jdk/pull/5426