[jdk17u-dev] RFR: 8286779: javax.crypto.CryptoPolicyParser#isConsistent always returns 'true'

[Goetz Lindenmaier]

I would like to backport this small bugfix. 

I had to resolve because "8284112: Minor cleanup could be done in javax.crypto" is not in 17.
Therefore the template parameters of the patched code differ:
  this change: processedPermissions = new Hashtable<>();
  jdk17:       processedPermissions = new Hashtable<String, Vector<String>>();

Test passes.

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Commit messages:
 - Backport 8f400b9aab57d0639721add2ba511bfc0459bd89

Changes: https://git.openjdk.org/jdk17u-dev/pull/3080/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3080&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8286779
  Stats: 104 lines in 2 files changed: 97 ins; 4 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3080.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3080/head:pull/3080

PR: https://git.openjdk.org/jdk17u-dev/pull/3080