[Commonizer] Update stats collector to report lifted up declarations

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/konan/NativeStatsCollector.kt

@@ -79,20 +79,35 @@ class NativeStatsCollector(
             append(SEPARATOR)
             append(firstNotNull.declarationType) // readable declaration type
             append(SEPARATOR)
-            append(if (lastIsNull) '-' else 'E') // common
 
+            var isLiftedUp = !lastIsNull
+            val platformItems = StringBuilder().apply {
                 for (index in 0 until output.size - 1) {
                     append(SEPARATOR)
                     append(
                         when {
                             output[index] == null -> '-' // absent
                             lastIsNull -> 'O' // original (not commonized)
-                        else -> 'A' // actual (commonized)
+                            else -> {
+                                isLiftedUp = false
+                                'A' // actual (commonized)
+                            }
                         }
                     )
                 }
             }
 
+            append(
+                when {
+                    isLiftedUp -> 'L'
+                    lastIsNull -> '-'
+                    else -> 'E'
+                }
+            ) // common
+
+            append(platformItems)
+        }
+
         writer.println(row)
     }