[Cronet] HistogramManager now ensures that StatisticsRecorder is initialized.

components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java

Index: components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java
diff --git a/components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java b/components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java
index 2ea3a6a070d5953ffd275923e2222436489e6964..863d7639169d5bf8dd0bdeaa15dd4f0fde0e472c 100644
--- a/components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java
+++ b/components/cronet/android/test/src/org/chromium/cronet_test_apk/CronetTestActivity.java
@@ -39,7 +39,7 @@ public class CronetTestActivity extends Activity {
     public CronetURLStreamHandlerFactory mStreamHandlerFactory;
     public UrlRequestContext mUrlRequestContext;
     HttpUrlRequestFactory mRequestFactory;
-    HistogramManager mHistogramManager = new HistogramManager();
+    HistogramManager mHistogramManager;
 
     String mUrl;
 
@@ -74,6 +74,8 @@ public class CronetTestActivity extends Activity {
             return;
         }
 
+        mHistogramManager = new HistogramManager();
+
         String skipInitString = getCommandLineArg(SKIP_FACTORY_INIT_KEY);
         if (skipInitString != null) {
             return;