Fix format.

Author: jeremyjiang-dev

firebase-perf/src/test/java/com/google/firebase/perf/application/FragmentStateMonitorTest.java

@@ -78,6 +78,7 @@ public class FragmentStateMonitorTest extends FirebasePerformanceTestBase {
    * FrameMetricsAggregator#getMetrics()}
    */
   private SparseIntArray[] fmaMetrics1 = new SparseIntArray[1];
+
   private SparseIntArray[] fmaMetrics2 = new SparseIntArray[1];
 
   @Before