Merge K2 bytecodeListing tests to main bytecodeListing tests

compiler/testData/codegen/bytecodeListing/properties/backingField/explicitBackingFieldsInJava.kt

@@ -0,0 +1,16 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K1: JVM_IR
+// !LANGUAGE: +ExplicitBackingFields
+// MODULE: ModuleA
+// FILE: AI.kt
+
+public interface AI {
+    val number: Number
+}
+
+// FILE: AC.kt
+
+public class AC : AI {
+    final override val number: Number
+        field = 4
+}

compiler/testData/codegen/bytecodeListing/properties/backingField/explicitBackingFieldsInJava.txt

@@ -0,0 +1,13 @@
+@kotlin.Metadata
+public final class AC {
+    // source: 'AC.kt'
+    private final field number: int
+    public method <init>(): void
+    public final @org.jetbrains.annotations.NotNull method getNumber(): java.lang.Number
+}
+
+@kotlin.Metadata
+public interface AI {
+    // source: 'AI.kt'
+    public abstract @org.jetbrains.annotations.NotNull method getNumber(): java.lang.Number
+}