Clean up unused NetworkPolicyEditor

From DataUsageSummaryPreferenceController.

NetworkPolicyEditor.read() is not called, so
NetworkPolicyEditor.getPolicy() will always returns null.

Data limit info is already set in getDataUsageInfo().

Bug: 295260929
Test: robo test
Change-Id: I56a40cc906aa95207785886e704b1a59ea344e9c

src/com/android/settings/datausage/DataUsageInfoController.java

@@ -14,29 +14,12 @@
 
 package com.android.settings.datausage;
 
-import android.net.NetworkPolicy;
-
 import com.android.settingslib.net.DataUsageController.DataUsageInfo;
 
 /**
  * Controller to handle caching and mobile data logic.
  */
 public class DataUsageInfoController {
-    /**
-     * Take the cached data usage values in the NetworkPolicy to update DataUsageInfo.
-     */
-    public void updateDataLimit(DataUsageInfo info, NetworkPolicy policy) {
-        if (info == null || policy == null) {
-            return;
-        }
-        if (policy.warningBytes >= 0) {
-            info.warningLevel = policy.warningBytes;
-        }
-        if (policy.limitBytes >= 0) {
-            info.limitLevel = policy.limitBytes;
-        }
-    }
-
     /**
      * @returns the most appropriate limit for the data usage summary. Use the total usage when it
      * is higher than the limit and warning level. Use the limit when it is set and less than usage.

src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java

@@ -21,7 +21,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.INetworkPolicyManager;
-import android.net.NetworkPolicyManager;
 import android.net.NetworkTemplate;
 import android.os.ServiceManager;
 import android.telephony.SubscriptionInfo;
@@ -43,7 +42,6 @@ import com.android.settings.datausage.lib.DataUsageLib;
 import com.android.settings.network.ProxySubscriptionManager;
 import com.android.settings.network.telephony.TelephonyBasePreferenceController;
 import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.NetworkPolicyEditor;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
@@ -71,7 +69,6 @@ public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenc
     protected DataUsageController mDataUsageController;
     protected DataUsageInfoController mDataInfoController;
     private NetworkTemplate mDefaultTemplate;
-    protected NetworkPolicyEditor mPolicyEditor;
     private boolean mHasMobileData;
 
     /** Name of the carrier, or null if not available */
@@ -120,10 +117,6 @@ public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenc
 
     protected void updateConfiguration(Context context,
             int subscriptionId, SubscriptionInfo subInfo) {
-        final NetworkPolicyManager policyManager =
-                context.getSystemService(NetworkPolicyManager.class);
-        mPolicyEditor = new NetworkPolicyEditor(policyManager);
-
         mDataUsageController = createDataUsageController(context);
         mDataUsageController.setSubscriptionId(subscriptionId);
         mDataInfoController = new DataUsageInfoController();
@@ -147,7 +140,6 @@ public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenc
             DataUsageController dataUsageController,
             DataUsageInfoController dataInfoController,
             NetworkTemplate defaultTemplate,
-            NetworkPolicyEditor policyEditor,
             Activity activity,
             Lifecycle lifecycle,
             EntityHeaderController entityHeaderController,
@@ -157,7 +149,6 @@ public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenc
         mDataUsageController = dataUsageController;
         mDataInfoController = dataInfoController;
         mDefaultTemplate = defaultTemplate;
-        mPolicyEditor = policyEditor;
         mHasMobileData = true;
         mLifecycle = lifecycle;
         mEntityHeaderController = entityHeaderController;
@@ -213,7 +204,6 @@ public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenc
         long usageLevel = info.usageLevel;
 
         if (subInfo != null) {
-            mDataInfoController.updateDataLimit(info, mPolicyEditor.getPolicy(mDefaultTemplate));
             summaryPreference.setWifiMode(/* isWifiMode */ false,
                     /* usagePeriod */ null, /* isSingleWifi */ false);
         } else {

src/com/android/settings/datausage/WifiDataUsageSummaryPreferenceController.java

@@ -55,7 +55,6 @@ public class WifiDataUsageSummaryPreferenceController extends DataUsageSummaryPr
         }
         final DataUsageController.DataUsageInfo info = mDataUsageController.getDataUsageInfo(
                 template);
-        mDataInfoController.updateDataLimit(info, mPolicyEditor.getPolicy(template));
 
         mPreference.setWifiMode(/* isWifiMode */ true, /* usagePeriod */
                 info.period, /* isSingleWifi */ true);