Open-sourcing and standardizing several swing tests (JScrollPane & JRootPane)
------------- Commit messages: - Remove resolution comment - Initial opening - Merge branch 'master' of github.com:DamonGuy/jdk - Merge branch 'master' of github.com:DamonGuy/jdk - Merge branch 'master' of github.com:DamonGuy/jdk - Merge branch 'master' of github.com:DamonGuy/jdk - Merge branch 'master' of github.com:DamonGuy/jdk - Initial commit for backout Changes: https://git.openjdk.org/jdk/pull/24758/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24758&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8354695 Stats: 1441 lines in 7 files changed: 1441 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/24758.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24758/head:pull/24758 PR: https://git.openjdk.org/jdk/pull/24758
