Workaround for coverage enabled debug on library

part.gradle

//https://issuetracker.google.com/issues/37121729
preBuild.doFirst {
  transformClassesAndResourcesWithPrepareIntermediateJarsForDebug.doLast {
    def task = transformClassesAndResourcesWithPrepareIntermediateJarsForDebug
    final def classes = task.outputs.files.first()
    copy {
      from classes
      into "${buildDir}/tmp/"
    }
    def merger = new JarMerger(classes)
    merger.init()
    merger.addJar(file("${buildDir}/tmp/classes.jar"))
    merger.addFolder(file("${buildDir}/intermediates/transforms/jacoco/debug/META-INF"), "META-INF/")
    merger.close()
  }
}