<Swing Dev> Integrated: Merge jdk16

[Jesper Wilhelmsson]

Forwardport JDK 16 -> JDK 17

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Commit messages:
 - Merge
 - 8257147: [TESTBUG] Set a larger default loop count for the VectorAPI jtreg tests
 - 8216400: improve handling of IOExceptions in JavaCompiler.close()
 - 8258914: javax/net/ssl/DTLS/RespondToRetransmit.java timed out
 - Merge
 - 8258913: ProblemList javax/swing/JComboBox/6559152/bug6559152.java on Linux-X64
 - 8258856: VM build without C1/C2 fails after JDK-8243205
 - 8258851: Mismatch in SunPKCS11 provider registration properties and actual implementation
 - 8258839: Remove JVM option ExitVMOnVerifyError
 - 8258186: Replace use of JNI_COMMIT mode with mode 0
 - ... and 117 more: https://git.openjdk.java.net/jdk/compare/881bceb9...85accc95

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

Changes: https://git.openjdk.java.net/jdk/pull/1902/files
  Stats: 24075 lines in 702 files changed: 18594 ins; 3271 del; 2210 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1902.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1902/head:pull/1902

PR: https://git.openjdk.java.net/jdk/pull/1902