RFR: 8263760: Update gradle to version 7.0.1

[Kevin Rushforth]

On Wed, 12 May 2021 17:02:27 GMT, Crazyjavahacking <github.com+1445818+Crazyjavahacking at openjdk.org> wrote:

>> This PR fixes the gradle deprecation warnings described in [JDK-8240336](https://bugs.openjdk.java.net/browse/JDK-8240336) and updates the JavaFX build to use gradle 7.0.1 as described in [JDK-8263760](https://bugs.openjdk.java.net/browse/JDK-8263760). The minimum version of gradle is set to 6.3.
>> 
>> In addition to keeping gradle up to date, updating to gradle 7 will allow building and testing JavaFX with JDK 16.
>> 
>> I have done a full build and test on all three platforms, comparing the artifacts produced before and after this change.
>> 
>> ### Notes to Reviewers:
>> 
>> The PR branch has two separate commits, one for each fix, in case reviewers want to look at them separately. As always, they will be squashed into a single commit when integrated. Both bug IDs will be listed in the commit.
>> 
>> The following changes were done for [JDK-8240336](https://bugs.openjdk.java.net/browse/JDK-8240336) to eliminate the use of deprecated features removed in gradle 7:
>> 
>> 1. Replaced `compile` with either `implementation` or `compileClasspath` as needed
>> 2. Replaced obsolete `archiveName` and `destinationDir` properties in archive tasks with `archiveFileName` and `destinationDirectory`
>> 3. Added missing `@Input` annotation to custom Groovy task properties
>> 4. Bumped the minimum version of gradle to 6.3 (which we have been using for more than 1 year)
>> 
>> 
>> The following changes were done for [JDK-8263760](https://bugs.openjdk.java.net/browse/JDK-8263760) to update to gradle 7.0.1:
>> 
>> 1. Ran `bash ./gradlew wrapper --gradle-version=7.0.1`
>> 2. Updated the gradle version in `build.properties` to `7.0.1`
>> 3. Updated the SHA-256 checksum in `gradle/wrapper/gradle-wrapper.properties`
>
> gradlew line 47:
> 
>> 45: 
>> 46: # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
>> 47: DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
> 
> This is automatically generated by Gradle, but the heap memory seems to be too low.
> 
> + the same for `gradlew.bat`

I agree with this concern, and will revert this auto-generated change. I don't know why the gradle team felt that a 64Mbyte heap was sufficient.

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PR: https://git.openjdk.java.net/jfx/pull/498