RFR: Merge jdk

[Mikael Vidstedt]

Merge in jdk-16+5

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Commit messages:
 - Merge jdk
 - 8248016: JFR: Remove Javadoc warnings
 - 8248701: On Windows generated modules-deps.gmk can contain backslash-r (CR) characters
 - 8248865: Document JNDI/LDAP timeout properties
 - 8248231: deserializeLambda created with wrong encoding if platform encoding not UTF-8
 - 8247762: [aarch64] Timeout in .../HeapDumpTestWithActiveProcess.java due to inf. loop in AARCH64CurrentFrameGuess.run()
 - 8244764: Improve assertion for CPP_VTABLE_PATCH_TYPES_DO
 - 8249002: New serviceability/sa/ClhsdbFindPC.java #id2 and #id3 tests are failing with ZGC
 - 8223955: Eliminate or reduce mixing of old File API and new Path/Files APIs
 - Merge
 - ... and 332 more: https://git.openjdk.java.net/portola/compare/d01330ea...0d799ff9

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.java.net/portola/9/webrev.00.0
 - jdk: https://webrevs.openjdk.java.net/portola/9/webrev.00.1

Changes: https://git.openjdk.java.net/portola/pull/9/files
  Stats: 48190 lines in 1319 files changed: 28229 ins; 14897 del; 5064 mod
  Patch: https://git.openjdk.java.net/portola/pull/9.diff
  Fetch: git fetch https://git.openjdk.java.net/portola pull/9/head:pull/9

PR: https://git.openjdk.java.net/portola/pull/9