Support JvmWildcard/JvmSuppressWildcard in ultra-light classes

The idea is reusing logic from KotlinTypeMapper for that

compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java

@@ -1464,14 +1464,22 @@ public class KotlinTypeMapper {
     public String mapFieldSignature(@NotNull KotlinType backingFieldType, @NotNull PropertyDescriptor propertyDescriptor) {
         JvmSignatureWriter sw = new BothSignatureWriter(BothSignatureWriter.Mode.TYPE);
 
+        writeFieldSignature(backingFieldType, propertyDescriptor, sw);
+
+        return sw.makeJavaGenericSignature();
+    }
+
+    public void writeFieldSignature(
+            @NotNull KotlinType backingFieldType,
+            @NotNull PropertyDescriptor propertyDescriptor,
+            JvmSignatureWriter sw
+    ) {
         if (!propertyDescriptor.isVar()) {
             mapReturnType(propertyDescriptor, sw, backingFieldType);
         }
         else {
             writeParameterType(sw, backingFieldType, propertyDescriptor);
         }
-
-        return sw.makeJavaGenericSignature();
     }
 
     public void writeFormalTypeParameters(@NotNull List<TypeParameterDescriptor> typeParameters, @NotNull JvmSignatureWriter sw) {
@@ -1550,7 +1558,7 @@ public class KotlinTypeMapper {
         sw.writeParameterTypeEnd();
     }
 
-    private void writeParameterType(
+    public void writeParameterType(
             @NotNull JvmSignatureWriter sw,
             @NotNull KotlinType type,
             @Nullable CallableDescriptor callableDescriptor

compiler/backend/src/org/jetbrains/kotlin/codegen/state/typeMappingUtil.kt

@@ -125,5 +125,5 @@ private fun AnnotationDescriptor?.suppressWildcardsMode(): Boolean? {
     return (this ?: return null).allValueArguments.values.firstOrNull()?.value as? Boolean ?: true
 }
 
-private val JVM_SUPPRESS_WILDCARDS_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmSuppressWildcards")
-private val JVM_WILDCARD_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmWildcard")
+val JVM_SUPPRESS_WILDCARDS_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmSuppressWildcards")
+val JVM_WILDCARD_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmWildcard")