[JVM] Port line number tests to stepping framework.

Allow specifying JVM and JVM_IR as well as shared expectations.

Add the method name to the step.

Discard steps in synthetic methods.

compiler/testData/debug/stepping/voidLambdaStepInline.kt

@@ -1,5 +1,5 @@
-
 // FILE: test.kt
+
 fun box(): String {
     run { "O" + "K" }
     run {
@@ -9,10 +9,10 @@ fun box(): String {
 }
 
 // LINENUMBERS
-// test.kt:4
-// fake.kt:1
-// test.kt:4
-// test.kt:5
-// test.kt:6
-// test.kt:5
-// test.kt:8
+// test.kt:4 box
+// fake.kt:1 box
+// test.kt:4 box
+// test.kt:5 box
+// test.kt:6 box
+// test.kt:5 box
+// test.kt:8 box