RFR: Merge jdk

[Mikael Vidstedt]

Merge in jdk-16+1

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Commit messages:
 - Merge jdk
 - 8247374: Remove default constructors from javax.net.sslK
 - 8245620: Improve Annotation.annotationType() documentation
 - 8244965: Incorrect error message in vmTestbase/nsk/jdi/VirtualMachine/suspend/suspend001/TestDescription.java
 - 8246803: Update link to license in Docs.gmk
 - 8235496: Start of release updates for JDK 16
 - Merge
 - 8247247: JFR tests fail due to JDK-8235521 missing doPrivileged block
 - 8207936: TestZipFile.java can fail with an OOM error
 - 8246031: SSLSocket.getSession() doesn't close connection for timeout/ interrupts
 - ... and 3 more: https://git.openjdk.java.net/portola/compare/1a843cf1...051a747e

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

Changes: https://git.openjdk.java.net/portola/pull/8/files
  Stats: 1682 lines in 74 files changed: 1418 ins; 70 del; 194 mod
  Patch: https://git.openjdk.java.net/portola/pull/8.diff
  Fetch: git fetch https://git.openjdk.java.net/portola pull/8/head:pull/8

PR: https://git.openjdk.java.net/portola/pull/8