Update PythonService.java

fix comparison foreground

Author: erikhu

pythonforandroid/bootstraps/common/build/src/main/java/org/kivy/android/PythonService.java

@@ -79,7 +79,7 @@ public int onStartCommand(Intent intent, int flags, int startId) {
         pythonHome = extras.getString("pythonHome");
         pythonPath = extras.getString("pythonPath");
         serviceStartAsForeground = (
-            extras.getString("serviceStartAsForeground") == "true"
+            extras.getString("serviceStartAsForeground").equals("true")
         );
         pythonServiceArgument = extras.getString("pythonServiceArgument");
         pythonThread = new Thread(this);