open source a few 2d graphics related tests for line drawing, text performance, image rendering.
------------- Commit messages: - 8341128 Changes: https://git.openjdk.org/jdk/pull/21292/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21292&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341128 Stats: 563 lines in 7 files changed: 563 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/21292.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21292/head:pull/21292 PR: https://git.openjdk.org/jdk/pull/21292
