[jfx11u] Integrated: 8263760: Update gradle to version 7.0.1

[Ambarish Rapte]

On Fri, 20 Aug 2021 20:13:18 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> There were two minor merge conflicts in `build.gradle` and one conflict in `gradle/wrapper/gradle-wrapper.properties` while cherry picking the change. 
> And it also required similar changes to be made for project fxpackager. The [first commit](https://github.com/openjdk/jfx11u/pull/49/commits/7700a6d1a7c82df8fc269f1de6f3bd5119fb3397) is the original cherry pick and [second commit](https://github.com/openjdk/jfx11u/pull/49/commits/cea09bdfc96374ce00560c13e6730ab76f8b20e9) is the additional changes for fxpackager.
> Verified the build on all three platforms with gradle 7.0.1 and apache ant 1.10.5

This pull request has now been integrated.

Changeset: 80c06708
Author:    Ambarish Rapte <arapte at openjdk.org>
URL:       https://git.openjdk.java.net/jfx11u/commit/80c06708932bc28b7d76cd40cad39c50422788bf
Stats:     148 lines in 13 files changed: 46 ins; 5 del; 97 mod

8263760: Update gradle to version 7.0.1
8240336: JavaFX build uses deprecated features that will be removed in gradle 7
8262236: Configure Gradle checksum verification

Reviewed-by: kcr, jvos
Backport-of: 111bac4180a646662a81223bdbb56880789d5a90

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PR: https://git.openjdk.java.net/jfx11u/pull/49