Update CPU monitor to use moving averages.

webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java

Index: webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java
diff --git a/webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java b/webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java
index 776765e6b7de1b3186528e5231928d640ba6aa54..7b6c2902cf0d1052e752b0f403eb93a19800b028 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/HudFragment.java
@@ -194,8 +194,10 @@ public class HudFragment extends Fragment {
     }
 
     if (cpuMonitor != null) {
-      encoderStat.append("CPU%: ").append(cpuMonitor.getCpuUsageCurrent())
-        .append(". Freq: ").append(cpuMonitor.getCpuFrequencyScaleCurrent());
+      encoderStat.append("CPU%: ")
+        .append(cpuMonitor.getCpuUsageCurrent()).append("/")
+        .append(cpuMonitor.getCpuUsageAverage())
+        .append(". Freq: ").append(cpuMonitor.getFrequencyScaleAverage());
     }
     encoderStatView.setText(encoderStat.toString());
   }