Add JVM ABI K1/K2 consistency tests

compiler/testData/codegen/box/sealed/delegatingConstructor.jvm_abi.txt

@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Sealed.class
+		CLASS METADATA
+			CONSTRUCTOR <init>()V
+				Property: class.metadata.constructor.modifiers
+					K1
+						protected /* secondary */
+					K2
+						private /* secondary */

compiler/testData/codegen/box/sealed/delegatingConstructor.kt

@@ -1,3 +1,5 @@
+// JVM_ABI_K1_K2_DIFF: KT-63920
+
 sealed class Sealed(val value: String) {
     constructor() : this("OK")
 }

compiler/testData/codegen/box/sealed/sealedInSameFile.jvm_abi.txt

@@ -0,0 +1,9 @@
+MODULE main
+	CLASS A.class
+		CLASS METADATA
+			CONSTRUCTOR <init>(I)V
+				Property: class.metadata.constructor.modifiers
+					K1
+						protected /* secondary */
+					K2
+						private /* secondary */

compiler/testData/codegen/box/sealed/sealedInSameFile.kt

@@ -1,3 +1,5 @@
+// JVM_ABI_K1_K2_DIFF: KT-63920
+
 class B : A()
 
 sealed class A() {