RFR: 8244778: Archive full module graph in CDS [v3]

[Ioi Lam]

> This is the same patch as
> [8244778-archive-full-module-graph.v03](http://cr.openjdk.java.net/~iklam/jdk16/8244778-archive-full-module-graph.v03/)
> published in
> [hotspot-runtime-dev at openjdk.java.net](https://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2020-August/041496.html).
> The rest of the review will continue on GitHub. I will add new commits to respond to comments to the above e-mail.

Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:

  Feedback from Coleen

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/80/files
  - new: https://git.openjdk.java.net/jdk/pull/80/files/92b4202b..e541890e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=80&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=80&range=01-02

  Stats: 14 lines in 3 files changed: 3 ins; 5 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/80.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/80/head:pull/80

PR: https://git.openjdk.java.net/jdk/pull/80