Add debug logs for testPromiseIcon_addedFromEligibleSession

Bug: 202985412
Test: PromiseIconUiTest
Change-Id: I160b9229bebe07015575f8184ac2d53bcbf2bad0
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index fb4a7fd..d09b6b3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2392,6 +2392,10 @@
                     } else {
                         Log.d(TAG, desc);
                         getModelWriter().deleteItemFromDatabase(item);
+                        if (TestProtocol.sDebugTracing) {
+                            Log.d(TestProtocol.MISSING_PROMISE_ICON,
+                                    TAG + "bindItems failed for item=" + item);
+                        }
                         continue;
                     }
                 }