RFR: 8283411: InflaterInputStream holds on to a temporary byte array of 512 bytes [v2]

[Jaikiran Pai]

> Can I please get a review of this change which handles https://bugs.openjdk.java.net/browse/JDK-8283411?
> 
> The commit here moves the temporary byte array from being a member of the class to a local variable within the `skip` method which is the only place where it is used as a temporary buffer.
> 
> tier1, tier2, tier3 tests have been run successfully with this change.

Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:

  Use Alan's suggestion and allocate less than 512 bytes if possible. Plus copyright year fix.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7875/files
  - new: https://git.openjdk.java.net/jdk/pull/7875/files/6bc997fb..f4250e7e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7875&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7875&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7875.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7875/head:pull/7875

PR: https://git.openjdk.java.net/jdk/pull/7875