RFR: 8271368: [BACKOUT] JDK-8266054 VectorAPI rotate operation optimization

[Vladimir Kozlov]

Backout the following changes due to vector tests failures in tier 2 and later: 
[JDK-8266054](https://bugs.openjdk.java.net/browse/JDK-8266054) VectorAPI rotate operation optimization 

Changes also caused copyright header validation failure in Tier1 due to missing `,` after copyright year in new test.

Currently running testing.

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Commit messages:
 - 8271368: [BACKOUT] JDK-8266054 VectorAPI rotate operation optimization

Changes: https://git.openjdk.java.net/jdk/pull/4915/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4915&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271368
  Stats: 4438 lines in 57 files changed: 58 ins; 4219 del; 161 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4915.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4915/head:pull/4915

PR: https://git.openjdk.java.net/jdk/pull/4915