RFR: 8252192: Update to Visual Studio 2019 version 16.7.2

[Ambarish Rapte]

On Tue, 29 Sep 2020 23:38:39 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This patch updates the compiler to Visual Studio 2019 version 16.7.2 on Windows, in order to match JDK 16 -- see
> [JDK-8253615](https://bugs.openjdk.java.net/browse/JDK-8253615).
> I ran a full build and test, including media and WebKit.

Build and sanity test looks good on my machine.

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Marked as reviewed by arapte (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/312