RFR: 8244212: Optionally download media and webkit libraries from latest openjfx EA build

Fri Jun 12 23:23:31 UTC 2020

On Thu, 30 Apr 2020 18:56:40 GMT, Jesper Skov <github.com+2720909+jskov at openjdk.org> wrote:

> I have tested on Linux (Fedora 31) only.
> It works as intended (with one test failure due to 15-ea+4 being too old now).
> 
> UPDATE_STUB_CACHE suggests there is some magic available to help manage the stub cache.
> But as I could not find anything about it, that section in the documentation may need some love.

Tested on all three platforms with / without setting `STUB_RUNTIME_OPENJFX`. All looks good.

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Marked as reviewed by kcr (Lead).

PR: https://git.openjdk.java.net/jfx/pull/202