[jdk17] RFR: 8269952: compiler/vectorapi/VectorCastShape*Test.java tests failed on avx2 machines

[Jatin Bhateja]

- Problem relates to incorrect operands being passed and handling for KNL platform which does not support AVX512VLBW feature.

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Commit messages:
 - 8269952: Removing concerned tests from ProblemList.txt
 - 8269952: compiler/vectorapi/VectorCastShape*Test.java tests failed on avx2 machines

Changes: https://git.openjdk.java.net/jdk17/pull/226/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=226&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269952
  Stats: 9 lines in 4 files changed: 2 ins; 2 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/226.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/226/head:pull/226

PR: https://git.openjdk.java.net/jdk17/pull/226