Do not disable keep alives based on Android screen on/off state

wrappers/java/classes/org/linphone/core/tools/AndroidPlatformHelper.java

@@ -79,7 +79,6 @@ public class AndroidPlatformHelper {
     private NetworkManagerInterface mNetworkManager;
     private Handler mMainHandler;
     private boolean mMonitoringEnabled;
-    private boolean mIsInInteractiveMode;
     private InteractivityReceiver mInteractivityReceiver;
     private String[] mDnsServers;
 
@@ -109,7 +108,6 @@ public class AndroidPlatformHelper {
         mResources = mContext.getResources();
         mMainHandler = new Handler(mContext.getMainLooper());
 
-        mIsInInteractiveMode = true;
         mDozeModeEnabled = false;
 
         MediastreamerAndroidContext.setContext(mContext);
@@ -667,11 +665,6 @@ public class AndroidPlatformHelper {
         mDozeModeEnabled = b;
     }
 
-    public synchronized void setInteractiveMode(boolean b) {
-        mIsInInteractiveMode = b;
-        enableKeepAlive(mNativePtr, mIsInInteractiveMode);
-    }
-
     private NetworkManagerInterface createNetworkManager() {
         NetworkManagerInterface networkManager = null;
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {

wrappers/java/classes/org/linphone/core/tools/receiver/InteractivityReceiver.java

@@ -39,11 +39,9 @@ public class InteractivityReceiver extends BroadcastReceiver {
     public void onReceive(Context context, Intent intent) {
         String action = intent.getAction();
         if (action.equalsIgnoreCase(Intent.ACTION_SCREEN_ON)) {
-            Log.i("[Platform Helper] [Interactivity Receiver] Device is in interactive mode");
-            if (mHelper != null) mHelper.setInteractiveMode(true);
+            Log.i("[Platform Helper] [Interactivity Receiver] Device screen is ON");
         } else if (action.equalsIgnoreCase(Intent.ACTION_SCREEN_OFF)) {
-            Log.i("[Platform Helper] [Interactivity Receiver] Device is not in interactive mode");
-            if (mHelper != null) mHelper.setInteractiveMode(false);
+            Log.i("[Platform Helper] [Interactivity Receiver] Device screen is OFF");
         }
     }
 }