RFR: 8292016: Split Windows API error handling from errors passed through the runtime in the JDK [v29]

[Julian Waters]

> EDIT: Cave and add the ErrorOrigin enum, to differentiate which error type the error reporting functions in libjava will look up. RUNTIME refers to errors passed through the runtime via errno, and SYSTEM is for native errors not visible to the runtime.

Julian Waters has updated the pull request incrementally with one additional commit since the last revision:

  Finish

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9870/files
  - new: https://git.openjdk.org/jdk/pull/9870/files/a4fa093e..6b43fc60

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9870&range=28
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9870&range=27-28

  Stats: 331 lines in 63 files changed: 59 ins; 11 del; 261 mod
  Patch: https://git.openjdk.org/jdk/pull/9870.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9870/head:pull/9870

PR: https://git.openjdk.org/jdk/pull/9870