Remove potentially destructive work manager service teardown behaviour.

Author: rtibbles

pythonforandroid/bootstraps/webview/build/templates/AndroidManifest.tmpl.xml

@@ -90,8 +90,7 @@
         {% for name in worker_names %}
         <service android:name="{{ args.package }}.{{ name|capitalize }}WorkerService"
                  android:process=":worker_{{ name }}"
-                 android:exported="false"
-                 android:stopWithTask="true" />
+                 android:exported="false" />
         {% endfor %}
 
         {% if args.billing_pubkey %}