[jdk21u-dev] RFR: 8348625: [21u, 17u] Revert JDK-8185862 to restore old java.awt.headless behavior on Windows [v2]

[Christoph Langer]

> This basically reverts 78e35ea113bed4a5f66225836c887a45696bbf44 to restore old behavior with regards to headless handling on Windows.

Christoph Langer has updated the pull request incrementally with one additional commit since the last revision:

  Do not run test/jdk/java/awt/font/JNICheck/FreeTypeScalerJNICheck.java on Windows debug builds

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1359/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1359/files/15e346d9..58dc0bd6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1359&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1359&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1359.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1359/head:pull/1359

PR: https://git.openjdk.org/jdk21u-dev/pull/1359