RFR: 8294972: Convert jdk.jlink internal plugins to use the Classfile API [v11]

[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 incrementally with three additional commits since the last revision:

 - SystemModulesPlugin::genClassBytes rename
 - SystemModulesPlugin::getClassBytes rename
 - Revert "implementation of custom ResourceHelper in IncludeLocalesPlugin"

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/12944/files
  - new: https://git.openjdk.org/jdk/pull/12944/files/3dbe1e57..f01475a4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12944&range=10
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12944&range=09-10

  Stats: 91 lines in 2 files changed: 20 ins; 49 del; 22 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