RFR: 8291917: Windows - Improve error messages when the C Runtime Libraries or jvm.dll cannot be loaded [v6]

[Julian Waters]

> Please review a small patch for dumping the failure reason when the MSVCRT libraries or the Java Virtual Machine fails to load on Windows, which can provide invaluable insight when debugging related launcher issues.

Julian Waters has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains eight additional commits since the last revision:

 - Merge branch 'openjdk:master' into patch-4
 - Merge branch 'openjdk:master' into patch-4
 - Back out change to DLL_ERROR4 for separate RFE
 - Missing spacing between errors
 - Introduce warning when system error cannot be determined
 - LoadLibrary checks should explicitly use NULL
 - Dump error (if any) when libraries fail to load
 - Prettify DLL_ERROR4

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9749/files
  - new: https://git.openjdk.org/jdk/pull/9749/files/284ac2f4..93306172

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9749&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9749&range=04-05

  Stats: 19121 lines in 447 files changed: 10613 ins; 6888 del; 1620 mod
  Patch: https://git.openjdk.org/jdk/pull/9749.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9749/head:pull/9749

PR: https://git.openjdk.org/jdk/pull/9749