RFR: 8289255: update Eclipse .classpath and other configuration files [v9]

[Nir Lisker]

On Fri, 8 Jul 2022 18:47:49 GMT, Andy Goryachev <duke at openjdk.org> wrote:

>> summary of changes:
>> - fixed .classpath files
>> - set UTF-8 encoding in the eclipse project config files
>> 
>> the list of eclipse projects that do compile in Eclipse as a result of this PR are:
>> - base
>> - controls
>> - fxml
>> - graphics
>> - jfx
>> - media
>> - swing
>> - swt
>> - systemTests (can be dropped in favor ot tests
>> - tests
>> - web
>> 
>> Not supported (should be removed from workspace or simply closed):
>> - apps
>> - apps/*
>> - buildSrc
>
> Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8289255: fixed tests/.classpath

Since apps are not included in the goal of this PR, please revert the changes made to them. I will review the changes to `tests` and then the PR can be integrated if there are no further issues. A followup issue should be filed for `apps` in JBS if there is none.

-------------

PR: https://git.openjdk.org/jfx/pull/804