Add null check for component name when fetching uid

Bug: 133442663
Test: Bug is not reproducible, but this is just adding a null check
Change-Id: Iaf4231b4b3b1e6e35ab7e7f7cac86a192ad7cd9b

core/java/com/android/internal/os/logging/MetricsLoggerWrapper.java

@@ -72,6 +72,9 @@ public class MetricsLoggerWrapper {
      */
     private static int getUid(Context context, ComponentName componentName, int userId) {
         int uid = -1;
+        if (componentName == null) {
+            return uid;
+        }
         try {
             uid = context.getPackageManager().getApplicationInfoAsUser(
                     componentName.getPackageName(), 0, userId).uid;