Support multiple DcTracker for IWLAN refactoring

If the device is configured as AP-assited mode, multiple
DcTrackers will be created for each corresponding
data service. For legacy mode, only one DcTracker will
be created.

Test: Unit tests and telephony sanity tests
Bug: 73659459

Change-Id: Ie72312ff82454eeb008cea5ea3712691a5ec0b3f
diff --git a/src/com/android/phone/CallFeaturesSetting.java b/src/com/android/phone/CallFeaturesSetting.java
index 5c744a7..c328155 100644
--- a/src/com/android/phone/CallFeaturesSetting.java
+++ b/src/com/android/phone/CallFeaturesSetting.java
@@ -35,6 +35,7 @@
 import android.provider.Settings;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
+import android.telephony.AccessNetworkConstants.TransportType;
 import android.telephony.CarrierConfigManager;
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
@@ -335,7 +336,7 @@
         if (mImsMgr.isVtEnabledByPlatform() && mImsMgr.isVtProvisionedOnDevice()
                 && (carrierConfig.getBoolean(
                         CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS)
-                || mPhone.mDcTracker.isDataEnabled())) {
+                || mPhone.getDcTracker(TransportType.WWAN).isDataEnabled())) {
             boolean currentValue =
                     mImsMgr.isEnhanced4gLteModeSettingEnabledByUser()
                     ? mImsMgr.isVtEnabledByUser() : false;