Adds withPackageName to StatsLogger creation

This lets you specify a package name which will be logged by the
returned StatsLogger (rather than retrieving from the ItemInfo).

Bug: 292227499
Test: Manual with other change in topic
Change-Id: I3650f9f02f6cbe560e1c21262ba1cb893702a49e

src/com/android/launcher3/logging/StatsLogManager.java

@@ -838,6 +838,13 @@ public class StatsLogManager implements ResourceBasedOverride {
             return this;
         }
 
+        /**
+         * Set the package name of the log message.
+         */
+        default StatsLogger withPackageName(@Nullable String packageName) {
+            return this;
+        }
+
         /**
          * Builds the final message and logs it as {@link EventEnum}.
          */