RFR: 8221708 Update Eclipse project files

[Nir Lisker]

On Wed, 26 Oct 2022 11:16:19 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> I've rebased this on master.  For some reason I mistakenly based this on some old version of master.
>> 
>> I do notice the same kind of problems Andy experienced.  Eclipse can give many errors when switching branches.  Closing all projects and reopening them solved all the errors for me though.
>
>> I've rebased this on master. For some reason I mistakenly based this on some old version of master.
> 
> As a reminder, please use `git merge master` rather than `git rebase master` (the latter of which requires a force push and makes incremental reviews harder), especially once this goes `rfr`. Since it is still a Draft PR, a rebase is OK, but a merge is usually preferred.

@kevinrushforth Maybe you can shed some light on these points:

* John's comment above:
  > I've added the manual ones. I think not all of the manual code is correct. `DNDWebViewTest` has no `main` for example. The `swt` tests need eclipse SWT libraries that don't seem to be around.

* John and I found out that trying to run the Gradle projects under apps/samples with Gradle (the `run` taks) fails with an error message saying that these projects are not part of the root `settings.gradle` file. This is true, except for the modules, the other listed projects are `apps` and `systemTests`, neither of which are actual Gradle projects. Is this correct behavior? Why are they Gradle projects?

* I find it odd that `systemTests` is a subfolder of `tests`, yet it's defined as a Gradle project while `tests` isn't. What is the reason?

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PR: https://git.openjdk.org/jfx/pull/930