Propogate error for remove all

Test: Manual - checked that error dialog is shown when face removal
fails
Bug: 283795801

Change-Id: Ifebf5440421918dcf45316b1b92631248adbeae6

services/core/java/com/android/server/biometrics/sensors/face/FaceService.java

@@ -415,6 +415,11 @@ public class FaceService extends SystemService {
                         }
                     }
                 }
+
+                @Override
+                public void onError(int error, int vendorCode) throws RemoteException {
+                    receiver.onError(error, vendorCode);
+                }
             };
 
             // This effectively iterates through all sensors, but has to do so by finding all