add println ignores

Author: brkyvz

core/src/main/scala/org/apache/spark/deploy/RPackageUtils.scala

@@ -171,7 +171,9 @@ private[spark] object RPackageUtils extends Logging {
       level: Level = Level.FINE,
       e: Throwable = null): Unit = {
     if (printStream != null) {
+      // scalastyle:off println
       printStream.println(msg)
+      // scalastyle:on println
       if (e != null) {
         e.printStackTrace(printStream)
       }

core/src/test/scala/org/apache/spark/deploy/RPackageUtilsSuite.scala

@@ -48,7 +48,9 @@ class RPackageUtilsSuite extends SparkFunSuite with BeforeAndAfterEach {
 
   /** Simple PrintStream that reads data into a buffer */
   private class BufferPrintStream extends PrintStream(noOpOutputStream) {
+    // scalastyle:off println
     override def println(line: String) {
+    // scalastyle:on println
       lineBuffer += line
     }
   }