RFR: 8294972: Convert jdk.jlink internal plugins to use the Classfile API [v6]

[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:

 - long lines wrapped
 - StripJavaDebugAttributesPlugin transformation fixed
 - VersionPropsPlugin transformation fixed

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/12944/files
  - new: https://git.openjdk.org/jdk/pull/12944/files/5042a093..5fe8c7f4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12944&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12944&range=04-05

  Stats: 94 lines in 3 files changed: 27 ins; 18 del; 49 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