[jdk21u-dev] RFR: 8326100: DeflaterDictionaryTests should use Deflater.getBytesWritten instead of Deflater.getTotalOut

[Goetz Lindenmaier]

I backport this for parity with 21.0.6-oracle.

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

Commit messages:
 - Backport 9451677daaf1184f67759c87114af3f81fa74f23

Changes: https://git.openjdk.org/jdk21u-dev/pull/993/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=993&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326100
  Stats: 13 lines in 1 file changed: 0 ins; 0 del; 13 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/993.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/993/head:pull/993

PR: https://git.openjdk.org/jdk21u-dev/pull/993