Update the cronet sample app with new async APIs.

components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java

Index: components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java
diff --git a/components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java b/components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java
index e9d942d31043b1ba4758f0287c03a9e680ee958e..ca1c502200b45bcf3fb02696fc831a1ad0578c30 100644
--- a/components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java
+++ b/components/cronet/android/sample/src/org/chromium/cronet_sample_apk/CronetSampleApplication.java
@@ -5,28 +5,13 @@
 package org.chromium.cronet_sample_apk;
 
 import android.app.Application;
-import android.content.Context;
-import android.util.Log;
-
-import org.chromium.base.PathUtils;
 
 /**
  * Application for managing the Cronet Sample.
  */
 public class CronetSampleApplication extends Application {
-    private static final String TAG = "CronetSampleApplication";
-
-    private static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "cronet_sample";
-
     @Override
     public void onCreate() {
         super.onCreate();
-        initializeApplicationParameters(this);
-    }
-
-    public static void initializeApplicationParameters(Context context) {
-        PathUtils.setPrivateDataDirectorySuffix(PRIVATE_DATA_DIRECTORY_SUFFIX, context);
-        Log.i(TAG, "CronetSampleApplication.initializeApplicationParameters()"
-                + " success.");
     }
 }