[Settings] Remove WFC enabled state condition of querying Telecomm.

- Query WFC enabled state by querying Telecomm may have problem.
 - Only use ImsMmTelManager API to check WFC enabled state.

Bug: 278108377
Test: atest passed
Change-Id: I6d1122bcf66ed5cd274e99b7b4f13558ab922162

src/com/android/settings/network/telephony/MobileNetworkUtils.java

@@ -940,28 +940,11 @@ public class MobileNetworkUtils {
      * Copied from WifiCallingPreferenceController#isWifiCallingEnabled()
      */
     public static boolean isWifiCallingEnabled(Context context, int subId,
-            @Nullable WifiCallingQueryImsState queryImsState,
+            @Nullable WifiCallingQueryImsState queryImsState) {
-            @Nullable PhoneAccountHandle phoneAccountHandle) {
+        if (queryImsState == null) {
-        if (phoneAccountHandle == null){
+            queryImsState = new WifiCallingQueryImsState(context, subId);
-            phoneAccountHandle = context.getSystemService(TelecomManager.class)
-                    .getSimCallManagerForSubscription(subId);
         }
-        boolean isWifiCallingEnabled;
+        return queryImsState.isReadyToWifiCalling();
-        if (phoneAccountHandle != null) {
-            final Intent intent = buildPhoneAccountConfigureIntent(context, phoneAccountHandle);
-            if (intent == null) {
-                Log.d(TAG, "Can not get phoneAccount configure intent.");
-                isWifiCallingEnabled = false;
-            } else {
-                isWifiCallingEnabled = true;
-            }
-        } else {
-            if (queryImsState == null) {
-                queryImsState = new WifiCallingQueryImsState(context, subId);
-            }
-            isWifiCallingEnabled = queryImsState.isReadyToWifiCalling();
-        }
-        return isWifiCallingEnabled;
     }
 
     /**

src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java

@@ -22,7 +22,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.os.PersistableBundle;
 import android.provider.Settings;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
@@ -314,8 +313,7 @@ public class NetworkProviderWifiCallingGroup extends
     @VisibleForTesting
     protected boolean shouldShowWifiCallingForSub(int subId) {
         if (SubscriptionManager.isValidSubscriptionId(subId)
-                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, queryImsState(subId),
+                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, queryImsState(subId))) {
-                null)) {
             return true;
         }
         return false;

src/com/android/settings/network/telephony/WifiCallingPreferenceController.java

@@ -71,7 +71,7 @@ public class WifiCallingPreferenceController extends TelephonyBasePreferenceCont
     @Override
     public int getAvailabilityStatus(int subId) {
         return SubscriptionManager.isValidSubscriptionId(subId)
-                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, null, null)
+                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, null)
                 ? AVAILABLE
                 : UNSUPPORTED_ON_DEVICE;
     }

src/com/android/settings/wifi/calling/WifiCallingSettings.java

@@ -257,8 +257,10 @@ public class WifiCallingSettings extends SettingsPreferenceFragment
         for (SubscriptionInfo subInfo : subInfoList) {
             int subId = subInfo.getSubscriptionId();
             try {
-                if (MobileNetworkUtils.isWifiCallingEnabled(getContext(), subId,
+                if (MobileNetworkUtils.isWifiCallingEnabled(
-                        queryImsState(subId), null)) {
+                        getContext(),
+                        subId,
+                        queryImsState(subId))) {
                     selectedList.add(subInfo);
                 }
             } catch (Exception exception) {}

tests/unit/src/com/android/settings/network/telephony/MobileNetworkUtilsTest.java

@@ -385,35 +385,19 @@ public class MobileNetworkUtilsTest {
     }
 
     @Test
-    public void isWifiCallingEnabled_hasPhoneAccountHandleAndHasActivityHandleIntent_returnTrue() {
+    public void isWifiCallingEnabled_wifiCallingIsReady_returnTrue() {
-        buildPhoneAccountConfigureIntent(true);
-
-        assertTrue(MobileNetworkUtils.isWifiCallingEnabled(mContext, SUB_ID_1,
-                null, mPhoneAccountHandle));
-    }
-
-    @Test
-    public void isWifiCallingEnabled_hasPhoneAccountHandleAndNoActivityHandleIntent_returnFalse() {
-        buildPhoneAccountConfigureIntent(false);
-
-        assertFalse(MobileNetworkUtils.isWifiCallingEnabled(mContext, SUB_ID_1,
-                null, mPhoneAccountHandle));
-    }
-
-    @Test
-    public void isWifiCallingEnabled_noPhoneAccountHandleAndWifiCallingIsReady_returnTrue() {
         setWifiCallingEnabled(true);
 
         assertTrue(MobileNetworkUtils.isWifiCallingEnabled(mContext, SUB_ID_1,
-                mMockQueryWfcState, null));
+                mMockQueryWfcState));
     }
 
     @Test
-    public void isWifiCallingEnabled_noPhoneAccountHandleAndWifiCallingNotReady_returnFalse() {
+    public void isWifiCallingEnabled_wifiCallingNotReady_returnFalse() {
         setWifiCallingEnabled(false);
 
         assertFalse(MobileNetworkUtils.isWifiCallingEnabled(mContext, SUB_ID_1,
-                mMockQueryWfcState, null));
+                mMockQueryWfcState));
     }
 
     private void setWifiCallingEnabled(boolean enabled){