Find Usages: Support of secondary constructors and delegation calls

idea/testData/findUsages/java/findConstructorUsages/secondaryConstructorByJavaNewExpression.1.kt

@@ -0,0 +1,23 @@
+open class B {
+    constructor(): this("") {
+
+    }
+
+    constructor(s: String) {
+
+    }
+}
+
+open class A : B {
+    constructor(a: Int) : super("") {
+
+    }
+}
+
+class C : B("") {
+
+}
+
+fun test() {
+    B("")
+}