[jdk8u-dev] RFR: 8324632: Update Zlib Data Compression Library to Version 1.3.1 [v2]

[fitzsim]

> 8315117: Update Zlib Data Compression Library to Version 1.3
> 8326351: Update the Zlib version in THIRD_PARTY_README to 1.3.1
> 
> Backport-of: 6aa721649d870354a79c3508343b14222e0edcfb
> 
> I am filing this pull request now mainly to register that I am working on this backport.  Some of the sanity checks have already failed on package download issues; I will try re-running them and otherwise investigating how to fix them.

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

 - Update zlib version and release date in non-top-level THIRD_PARTY_README files
 - Remove trailing space in zlib THIRD_PARTY_README notices
 - THIRD_PARTY_README: Fix zlib 1.3.1 release date

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

Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/511/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/511/files/6fb3445a..59eaaed0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=511&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=511&range=00-01

  Stats: 16 lines in 8 files changed: 0 ins; 0 del; 16 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/511.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/511/head:pull/511

PR: https://git.openjdk.org/jdk8u-dev/pull/511