async installGradleWrapper (gradleVersion) {
        if (process.env.CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL) {
            events.emit('verbose', `Overriding Gradle Version via CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL (${process.env.CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL})`);
            await execa('gradle', ['-p', path.join(this.root, 'tools'), 'wrapper', '--gradle-distribution-url', process.env.CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL], { stdio: 'inherit' });
        } else {
            await execa('gradle', ['-p', path.join(this.root, 'tools'), 'wrapper', '--gradle-version', gradleVersion], { stdio: 'inherit' });
        }
    }
Installs/updates the gradle wrapper
@param {string} gradleVersion The gradle version to install. Ignored if CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL environment variable is defined
@returns {Promise<void>}