[SonarQube] Integrate JUnit report

[XiangRongLin]

The test report generated by JUnit can be integrated into SonarQube in order to get a code coverage statistic.

Add path of report to setting.
https://sonarcloud.io/project/settings?category=java&id=TeamNewPipe_NewPipe

[XiangRongLin]

Done by adding app\build\test-results\testDebugUnitTest\ and app\build\test-results\testReleaseUnitTest\ to sonar.junit.reportPaths which i assume is from junit

[XiangRongLin]

Code coverage is not recognized