[lworld] RFR: 8333757: [lworld] sync javac code generation with the latest spec [v2]

[Vicente Romero]

> Renaming the Preload attribute plus changing its contents. Side-effects, changes to class file API, javap,etc

Vicente Romero has updated the pull request incrementally with two additional commits since the last revision:

 - Merge branch 'JDK-8333757' of https://github.com/vicente-romero-oracle/valhalla into JDK-8333757
 - changes to java.base and jdk.jdeps

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1118/files
  - new: https://git.openjdk.org/valhalla/pull/1118/files/0a5b998a..5b063a45

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1118&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1118&range=00-01

  Stats: 706 lines in 9 files changed: 350 ins; 348 del; 8 mod
  Patch: https://git.openjdk.org/valhalla/pull/1118.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1118/head:pull/1118

PR: https://git.openjdk.org/valhalla/pull/1118