Prevent showing FillUi multiple times if tapping on the same field.

Bug: 112772652
Test: atest CtsAutoFillServiceTestCases
Test: manual, make sure only show once when tapping in the same field
Change-Id: I3a02eb8abc3d88d9e9158489c753f5d62cfd0f71

services/autofill/java/com/android/server/autofill/Session.java

@@ -2419,6 +2419,7 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
                     Slog.v(TAG, "entered on virtual child " + id + ": " + virtualBounds);
                 }
 
+                final boolean isSameViewEntered = Objects.equals(mCurrentViewId, viewState.id);
                 // Update the view states first...
                 mCurrentViewId = viewState.id;
                 if (value != null) {
@@ -2451,6 +2452,10 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
                     hideAugmentedAutofillLocked(viewState);
                 }
 
+                if (isSameViewEntered) {
+                    return;
+                }
+
                 // If the ViewState is ready to be displayed, onReady() will be called.
                 viewState.update(value, virtualBounds, flags);
                 break;