Add JVM ABI K1/K2 consistency tests

compiler/testData/codegen/box/closures/subclosuresWithinInitializers.jvm_abi.txt

@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Outer$foo$Local.class
+		CLASS METADATA
+			PROPERTY getObj()LOuter$foo$Local$obj$1;
+				Property: class.metadata.property.returnType
+					K1
+						.Outer$foo$Local$obj$1
+					K2
+						.Outer$foo$Local.<no name provided>

compiler/testData/codegen/box/closures/subclosuresWithinInitializers.kt

@@ -1,3 +1,5 @@
+// JVM_ABI_K1_K2_DIFF: KT-63868
+
 fun <R> run(block: () -> R) = block()
 inline fun <R> inlineRun(block: () -> R) = block()