[jdk8u-dev] RFR: 8240226: DeflateIn_InflateOut.java test incorrectly assumes size of compressed file

[John Jiang]

`java/util/zip/DeflateIn_InflateOut.java` failed with a system zlib.
The backport is clean.

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Commit messages:
 - Backport 69f4ac1e0d61804b1bf306ee728a4de4397aeb47

Changes: https://git.openjdk.org/jdk8u-dev/pull/698/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=698&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8240226
  Stats: 5 lines in 1 file changed: 2 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/698.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/698/head:pull/698

PR: https://git.openjdk.org/jdk8u-dev/pull/698