RFR: Merge jdk

[Mikael Vidstedt]

Merge in jdk-18+11

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Commit messages:
 - Merge jdk
 - 8272573: Redundant unique_concrete_method_4 dependencies
 - 8272124: Cgroup v1 initialization causes NullPointerException when cgroup path contains colon
 - 8272626: Avoid C-style array declarations in java.*
 - 8271276: C2: Wrong JVM state used for receiver null check
 - 8272567: [IR Framework] Make AbstractInfo.getRandom() static
 - 8269951: [macos] Focus not painted in JButton when  setBorderPainted(false) is invoked
 - 8272558: IR Test Framework README misses some flags
 - 8272398: Update DockerTestUtils.buildJdkDockerImage()
 - 8270835: regression after JDK-8261006
 - ... and 72 more: https://git.openjdk.java.net/portola/compare/4cccc0dc...a791ee72

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.java.net/portola/pull/33/files
  Stats: 11514 lines in 486 files changed: 8622 ins; 1571 del; 1321 mod
  Patch: https://git.openjdk.java.net/portola/pull/33.diff
  Fetch: git fetch https://git.openjdk.java.net/portola pull/33/head:pull/33

PR: https://git.openjdk.java.net/portola/pull/33