[OpenJDK 2D-Dev] RFR: 8266520: Revert to OpenGL as the default 2D rendering pipeline for macOS

[Ajit Ghaisas]

This PR reverts to OpenGL as the default Java2D rendering pipeline for macOS.

Note : from JBS description :
In JDK 17 build 19 under bug id [JDK-8265304](https://bugs.openjdk.java.net/browse/JDK-8265304) we switched to Metal as the default rendering pipeline with the plan that it would be reverted to OpenGL after 4 builds.

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Commit messages:
 - make ogl default on macOS

Changes: https://git.openjdk.java.net/jdk/pull/4052/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4052&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266520
  Stats: 7 lines in 1 file changed: 0 ins; 3 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4052.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4052/head:pull/4052

PR: https://git.openjdk.java.net/jdk/pull/4052