Improve GRADLE build Performance

[shisheng-1]

Parallel test execution maxParallelForks. Gradle can run multiple test cases in parallel by setting maxParallelForks.

Disable report generation. We can conditionally disable it by setting reports.html.required = false; reports.junitXml.required = false. If you need to generate reports, add -PcreateReports to the end of Gradle's build command line.

===================== If there are any inappropriate modifications in this PR, please give me a reply and I will change them.