Removed deprecated auto(F)ill classes.

Bug: 35956626
Test: manual verification
Test: CtsAutoFillServiceTestCases pass
Change-Id: Icb622589c41e6a286d51e3f85bd5a813e483b5ea
diff --git a/core/java/android/service/autofill/AutofillService.java b/core/java/android/service/autofill/AutofillService.java
index 6f17d0e..9f8a621 100644
--- a/core/java/android/service/autofill/AutofillService.java
+++ b/core/java/android/service/autofill/AutofillService.java
@@ -71,7 +71,7 @@
      * Name under which a AutoFillService component publishes information about itself.
      * This meta-data should reference an XML resource containing a
      * <code>&lt;{@link
-     * android.R.styleable#AutoFillService autofill-service}&gt;</code> tag.
+     * android.R.styleable#AutofillService autofill-service}&gt;</code> tag.
      * This is a a sample XML file configuring an AutoFillService:
      * <pre> &lt;autofill-service
      *     android:settingsActivity="foo.bar.SettingsActivity"