Change part class naming scheme

update tests depending on part class naming

compiler/testData/checkLocalVariablesTable/itInLambda.kt

@@ -8,6 +8,6 @@ fun foo1() {
     }
 }
 
-// METHOD : _DefaultPackage*$foo1$1.invoke(I)V
-// VARIABLE : NAME=this TYPE=L_DefaultPackage*$foo1$1; INDEX=0
+// METHOD : ItInLambdaKt$foo1$1.invoke(I)V
+// VARIABLE : NAME=this TYPE=LItInLambdaKt$foo1$1; INDEX=0
 // VARIABLE : NAME=it TYPE=I INDEX=1