8328642: Convert applet test MouseDraggedOutCauseScrollingTest.html to main

[luchenlin]

I backport this for parity with 11.0.25-oracle. text block modified as not supported.

---

Progress

• [ ] Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• [x] Change must not contain extraneous whitespace
• [x] Commit message must refer to an issue
• [ ] JDK-8328642 needs maintainer approval

Issue

• JDK-8328642: Convert applet test MouseDraggedOutCauseScrollingTest.html to main (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2891/head:pull/2891
$ git checkout pull/2891

Update a local copy of the PR:
$ git checkout pull/2891
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2891/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2891

View PR using the GUI difftool:
$ git pr show -t 2891

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2891.diff

Webrev

Link to Webrev Comment