KT-8822 Override Members: do not show private members from java classes

#KT-8822 Fixed

idea/testData/codeInsight/overrideImplement/privateJavaMethod/foo/A.java

@@ -0,0 +1,5 @@
+public class A {
+    public void x(){}
+    private void y(){}
+    private void z(){}
+}

idea/testData/codeInsight/overrideImplement/privateJavaMethod/foo/Impl.kt

@@ -0,0 +1,7 @@
+interface I {
+    fun z()
+}
+
+class C : A(), I {
+    <caret>
+}

idea/testData/codeInsight/overrideImplement/privateJavaMethod/foo/Impl.kt.after

@@ -0,0 +1,25 @@
+interface I {
+    fun z()
+}
+
+class C : A(), I {
+    override fun equals(other: Any?): Boolean {
+        <selection><caret>return super<A>.equals(other)</selection>
+    }
+
+    override fun hashCode(): Int {
+        return super<A>.hashCode()
+    }
+
+    override fun toString(): String {
+        return super<A>.toString()
+    }
+
+    override fun x() {
+        super<A>.x()
+    }
+
+    override fun z() {
+        throw UnsupportedOperationException()
+    }
+}