RFR: 8353440: Disable FTP fallback for non-local file URLs by default

[Eirik Bjørsnøs]

On Wed, 23 Apr 2025 18:28:48 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> Two tests under `java/net/` are now failing on windows with the message: "Unsupported non-local file URL"
> 
> java/net/URL/OpenStream.java
> java/net/URLConnection/UNCTest.java

With the updates to `OpenStream` in this PR and the updates to `UNCTest` merged in from master, these two failing tests should now have been takes care of.

@dfuch Would you consider giving these updated tests a spin on Oracle CI to verify?

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PR Comment: https://git.openjdk.org/jdk/pull/24657#issuecomment-2830146386