Add JVM ABI K1/K2 consistency tests

compiler/testData/codegen/boxInline/simple/kt17431.jvm_abi.txt

@@ -0,0 +1,9 @@
+MODULE main
+	CLASS LabelHolder.class
+		CLASS METADATA
+			PROPERTY labels
+				Property: class.metadata.property.returnType
+					K1
+						java/util/HashMap<kotlin/String?, test/WeakReference<kotlin/String>> /* = kotlin/collections/HashMap^<kotlin/String?, test/WeakReference<kotlin/String>> */
+					K2
+						java/util/HashMap<kotlin/String?, test/WeakReference<kotlin/String>>

compiler/testData/codegen/boxInline/simple/kt17431.kt

@@ -1,5 +1,7 @@
 // WITH_STDLIB
 // KJS_WITH_FULL_RUNTIME
+// JVM_ABI_K1_K2_DIFF: KT-63864
+
 // FILE: 1.kt
 package test