RFR: 8294972: Convert jdk.jlink internal plugins to use the Classfile API [v5]

[Adam Sotona]

> jdk.jlink internal plugins are heavily using ASM
> 
> This patch converts ASM calls to Classfile API.
> 
> Please review.
> Thanks,
> Adam

Adam Sotona has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 209 commits:

 - Merge branch 'master' into JDK-8294972-jlink-plugins
   
   # Conflicts:
   #	src/java.base/share/classes/module-info.java
 - Merge branch 'master' into JDK-8294972-jlink-plugins
   
   # Conflicts:
   #	src/java.base/share/classes/module-info.java
 - Merge branch 'master' into JDK-8294972-jlink-plugins
 - fixed SystemModulesPlugin formatting
 - 8303624: The java.lang.Thread.FieldHolder can be null for JNI attaching threads
   
   Reviewed-by: alanb, dcubed
 - 8302360: Atomic*.compareAndExchange Javadoc unclear
   
   Reviewed-by: martin, dholmes
 - 8302779: HelidonAppTest.java fails with "assert(_cb == CodeCache::find_blob(pc())) failed: Must be the same" or SIGSEGV
   
   Reviewed-by: coleenp, sspitsyn
 - 8303691: Fedora based devkit build should load more packages from archive location
   
   Reviewed-by: mbaesken, erikj
 - 8303924: ProblemList serviceability/sa/UniqueVtableTest.java on Linux
   
   Reviewed-by: dcubed
 - 8303609: ProblemList serviceability/sa/TestSysProps.java with ZGC
   
   Reviewed-by: dcubed
 - ... and 199 more: https://git.openjdk.org/jdk/compare/a95bc7ac...5042a093

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Changes: https://git.openjdk.org/jdk/pull/12944/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12944&range=04
  Stats: 1026 lines in 6 files changed: 210 ins; 302 del; 514 mod
  Patch: https://git.openjdk.org/jdk/pull/12944.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12944/head:pull/12944

PR: https://git.openjdk.org/jdk/pull/12944