Fixed the crash

Fixed the NPE caused by null phone.

Fix: 270902250
Test: atest PhoneInterfaceManagerTest
Change-Id: I2a060967923364c12861e2ec2067aaa836cd72bf
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index b49ff4e..8c668e3 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -51,7 +51,6 @@
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.ICancellationSignal;
@@ -150,7 +149,6 @@
 import android.telephony.satellite.ISatellitePositionUpdateCallback;
 import android.telephony.satellite.ISatelliteProvisionStateCallback;
 import android.telephony.satellite.ISatelliteStateCallback;
-import android.telephony.satellite.PointingInfo;
 import android.telephony.satellite.SatelliteCapabilities;
 import android.telephony.satellite.SatelliteDatagram;
 import android.telephony.satellite.SatelliteDatagramCallback;
@@ -198,7 +196,6 @@
 import com.android.internal.telephony.ProxyController;
 import com.android.internal.telephony.RIL;
 import com.android.internal.telephony.RILConstants;
-import com.android.internal.telephony.RILUtils;
 import com.android.internal.telephony.RadioInterfaceCapabilityController;
 import com.android.internal.telephony.ServiceStateTracker;
 import com.android.internal.telephony.SmsApplication;
@@ -266,7 +263,6 @@
 import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Consumer;
@@ -6764,7 +6760,7 @@
                 mApp, subId, "getAllowedNetworkTypesForReason");
         final long identity = Binder.clearCallingIdentity();
         try {
-            return getPhoneFromSubId(subId).getAllowedNetworkTypes(reason);
+            return getPhoneFromSubIdOrDefault(subId).getAllowedNetworkTypes(reason);
         } finally {
             Binder.restoreCallingIdentity(identity);
         }