Fix KCallable.call for protected members from base class

Class.getMethod does not return protected methods from super class, so
we invoke getDeclaredMethod on each super class manually instead

 #KT-18480 Fixed

compiler/testData/codegen/box/reflection/call/protectedMembers.kt

@@ -0,0 +1,35 @@
+// IGNORE_BACKEND: JS, NATIVE
+// WITH_REFLECT
+
+import kotlin.reflect.*
+import kotlin.reflect.jvm.*
+import kotlin.test.*
+
+abstract class Base {
+    protected val protectedVal: String
+        get() = "1"
+
+    var publicVarProtectedSet: String = ""
+        protected set
+
+    protected fun protectedFun(): String = "3"
+}
+
+class Derived : Base()
+
+fun member(name: String): KCallable<*> = Derived::class.members.single { it.name == name }.apply { isAccessible = true }
+
+fun box(): String {
+    val a = Derived()
+
+    assertEquals("1", member("protectedVal").call(a))
+
+    val publicVarProtectedSet = member("publicVarProtectedSet") as KMutableProperty1<Derived, String>
+    publicVarProtectedSet.setter.call(a, "2")
+    assertEquals("2", publicVarProtectedSet.getter.call(a))
+    assertEquals("2", publicVarProtectedSet.call(a))
+
+    assertEquals("3", member("protectedFun").call(a))
+
+    return "OK"
+}