Use the normal adaptive icon on Android Pie

app/src/main/java/de/kuschku/quasseldroid/util/service/ServiceBoundActivity.kt

@@ -21,6 +21,7 @@ package de.kuschku.quasseldroid.util.service
 
 import android.content.Context
 import android.content.SharedPreferences
+import android.os.Build
 import android.os.Bundle
 import android.view.WindowManager
 import androidx.annotation.ColorRes
@@ -93,8 +94,11 @@ abstract class ServiceBoundActivity :
     }
   }
 
-  fun updateRecentsHeader() =
+  fun updateRecentsHeader() {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
       updateRecentsHeaderIfExisting(title.toString(), icon, recentsHeaderColor)
+    }
+  }
 
   override fun setTitle(title: CharSequence?) {
     super.setTitle(title)