wifi: remove LTE voice network check for wifi off deferring

LTE can also be available with partial registration with voice network type
while IMS is registered on IWLAN as voice network.
The fact that IMS is registered over IWLAN would suffice the need of delaying
the wifi off (or disconnect)

Bug: 158821908
Test: atest FrameworksWifiTests
Change-Id: Ifdb3fe2ac4d8fd5679e256cde767fe14d5c8944a

1 files changed, 0 insertions, 11 deletions

diff --git a/service/java/com/android/server/wifi/ClientModeManager.java b/service/java/com/android/server/wifi/ClientModeManager.java
index 608933950..4fb4b870d 100644
--- a/service/java/com/android/server/wifi/ClientModeManager.java
+++ b/service/java/com/android/server/wifi/ClientModeManager.java
@@ -35,7 +35,6 @@ import android.telephony.AccessNetworkConstants;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
-import android.telephony.TelephonyManager;
 import android.telephony.ims.ImsException;
 import android.telephony.ims.ImsMmTelManager;
 import android.telephony.ims.ImsReasonInfo;
@@ -322,16 +321,6 @@ public class ClientModeManager implements ActiveModeManager {
             return 0;
         }
 
-        TelephonyManager defaultVoiceTelephonyManager =
-                mContext.getSystemService(TelephonyManager.class)
-                        .createForSubscriptionId(subId);
-        // if LTE is available, no delay needed as IMS will be registered over LTE
-        if (defaultVoiceTelephonyManager.getVoiceNetworkType()
-                == TelephonyManager.NETWORK_TYPE_LTE) {
-            Log.d(TAG, "LTE available and is default voice network type");
-            return 0;
-        }
-
         CarrierConfigManager configManager =
                 (CarrierConfigManager) mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE);
         PersistableBundle config = configManager.getConfigForSubId(subId);