Moved Field Classification score logic to ExtServices.

Bug: 70939974
Test: atest CtsAutoFillServiceTestCases:FieldsClassificationTest \
            CtsAutoFillServiceTestCases:UserDataTest
Test: atest CtsAutoFillServiceTestCases

Change-Id: I75fd59b5d7530fcd7095b26f6e592d7459c7d235
diff --git a/packages/ExtServices/AndroidManifest.xml b/packages/ExtServices/AndroidManifest.xml
index 291009e..63d3623 100644
--- a/packages/ExtServices/AndroidManifest.xml
+++ b/packages/ExtServices/AndroidManifest.xml
@@ -51,6 +51,13 @@
             </intent-filter>
         </service>
 
+        <service android:name=".autofill.AutofillFieldClassificationServiceImpl"
+             android:permission="android.permission.BIND_AUTOFILL_FIELD_CLASSIFICATION_SERVICE">
+            <intent-filter>
+                <action android:name="android.service.autofill.AutofillFieldClassificationService" />
+            </intent-filter>
+        </service>
+
         <library android:name="android.ext.services"/>
     </application>