Not using stale object to diagnose stale object

Test: presubmit
Bug: 187761685
Change-Id: Ifbe7f48515f575bfe08373592891e745112ac2a6
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index efd8a55..77c8b25 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1531,7 +1531,7 @@
         try {
             return object.getVisibleBounds();
         } catch (StaleObjectException e) {
-            fail("Object " + object + " disappeared from screen");
+            fail("Object disappeared from screen");
             return null;
         } catch (Throwable t) {
             fail(t.toString());