Hide deprecated APIs.

Test: CtsAutoFillServiceTestCases pass
Bug: 37563972

Change-Id: Ia5f33c5624b7a6be3c152e126c99800914d23cbd
diff --git a/core/java/android/service/autofill/AutofillService.java b/core/java/android/service/autofill/AutofillService.java
index 813c54f..029acba 100644
--- a/core/java/android/service/autofill/AutofillService.java
+++ b/core/java/android/service/autofill/AutofillService.java
@@ -229,6 +229,8 @@
      *     this to notify you that the fill result is no longer needed and you should stop
      *     handling this fill request in order to save resources.
      * @param callback object used to notify the result of the request.
+     *
+     * @hide
      */
     @Deprecated
     public abstract void onFillRequest(@NonNull AssistStructure structure, @Nullable Bundle data,
@@ -267,6 +269,8 @@
      *        conserve resources.
      *        See {@link FillResponse} for examples of multiple-sections requests.
      * @param callback object used to notify the result of the request.
+     *
+     * @hide
      */
     @Deprecated
     public abstract void onSaveRequest(@NonNull AssistStructure structure, @Nullable Bundle data,
@@ -280,6 +284,7 @@
     public void onDisconnected() {
     }
 
+    /** @hide */
     @Deprecated
     public final void disableSelf() {
         // TODO(b/33197203): Remove when GCore has migrated off this API