Uast: support for KtDelegatedSuperTypeEntry (KT-30033)

plugins/uast-kotlin/testData/ConstructorDelegate.kt

@@ -0,0 +1,15 @@
+interface Base {
+    fun print()
+}
+
+class BaseImpl(val x: Int) : Base {
+    override fun print() {
+        print(x)
+    }
+}
+
+class Derived(b: Base) : Base by createBase(10), CharSequence by "abc"
+
+fun createBase(i: Int): Base {
+    return BaseImpl(i)
+}