Add more log for push

Author: wangmengyan95

Parse/src/main/java/com/parse/GcmRegistrar.java

@@ -182,6 +182,8 @@ public Task<Void> handleRegistrationIntentAsync(Intent intent) {
     String registrationId = intent.getStringExtra(REGISTRATION_ID_EXTRA);
 
     if (registrationId != null && registrationId.length() > 0) {
+      PLog.v(TAG, "Received deviceToken <" + registrationId + "> from GCM.");
+
       ParseInstallation installation = ParseInstallation.getCurrentInstallation();
       // Compare the new deviceToken with the old deviceToken, we only update the
       // deviceToken if the new one is different from the old one. This does not follow google

Parse/src/main/java/com/parse/ParsePushBroadcastReceiver.java

@@ -141,6 +141,7 @@ protected void onPushReceive(Context context, Intent intent) {
       PLog.e(TAG, "Can not get push data from intent.");
       return;
     }
+    PLog.v(TAG, "Received push data: " + pushDataStr);
 
     JSONObject pushData = null;
     try {