Merge "Document runtime exception being thrown on afs.getFillEvents()." into qt-dev am: 351b1e8b60

am: b59231b0b5

Change-Id: Icb716507da081b67afb83ee6591f0a69bfe83451

core/java/android/service/autofill/AutofillService.java

@@ -695,6 +695,8 @@ public abstract class AutofillService extends Service {
      * finishing the {@link FillCallback}.
      *
      * @return The history or {@code null} if there are no events.
+     *
+     * @throws RuntimeException if the event history could not be retrieved.
      */
     @Nullable public final FillEventHistory getFillEventHistory() {
         final AutofillManager afm = getSystemService(AutofillManager.class);