sample.xml

<!--invoke the error "android.os.BinderProxy cannot be cast to aaa" -->
<service android:enabled="true"
       android:exported="true"
       android:isolatedProcess="true"
       android:name="com.microsoft.CognitiveServicesExample.MainActivity"
       ></service>

<!--OK-->
<service android:enabled="true"
       android:exported="true"
       android:name="com.microsoft.CognitiveServicesExample.MainActivity"
       ></service>