Open source few AWT TextArea related tests. -------------
Commit messages: - Open sourced TextArea tests Changes: https://git.openjdk.org/jdk/pull/13670/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13670&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8306640 Stats: 437 lines in 4 files changed: 437 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/13670.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13670/head:pull/13670 PR: https://git.openjdk.org/jdk/pull/13670
