android: network observer (#3992)

* android: network observer

* removed unused code

* rename

* rename

* new line

* rename

* changes in logic

* adapted to ios logic

* change

* change

* change

* networkLost

* item in settings

* reorder

* changes

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -16,8 +16,7 @@ import androidx.work.*
 import chat.simplex.app.model.NtfManager
 import chat.simplex.app.model.NtfManager.AcceptCallAction
 import chat.simplex.app.views.call.CallActivity
-import chat.simplex.common.helpers.APPLICATION_ID
-import chat.simplex.common.helpers.requiresIgnoringBattery
+import chat.simplex.common.helpers.*
 import chat.simplex.common.model.*
 import chat.simplex.common.model.ChatController.appPrefs
 import chat.simplex.common.model.ChatModel.updatingChatsMutex
@@ -291,6 +290,10 @@ class SimplexApp: Application(), LifecycleEventObserver {
         activeCallDestroyWebView()
       }
 
+      override fun androidRestartNetworkObserver() {
+        NetworkObserver.shared.restartNetworkObserver()
+      }
+
       @SuppressLint("SourceLockedOrientationActivity")
       @Composable
       override fun androidLockPortraitOrientation() {