Fix Android extensions property usage highlighting

#KT-10736 Fixed

plugins/android-extensions/android-extensions-idea/testData/android/usageHighlighting/simple/res/layout/layout.xml

@@ -0,0 +1,10 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent">
+
+    <Button
+        android:id="@+id/login"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</FrameLayout>

plugins/android-extensions/android-extensions-idea/testData/android/usageHighlighting/simple/simple.kt

@@ -0,0 +1,33 @@
+package com.myapp
+
+import android.app.Activity
+import android.os.Bundle
+import java.io.File
+import kotlinx.android.synthetic.main.layout.*
+
+class MyActivity : Activity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        <info descr="null"><caret>login</info>.setOnClickListener {
+
+        }
+
+        <info descr="null">login</info>.text = "Login"
+
+        val login = "Login"
+        val login42 = login + "42"
+    }
+
+    fun foo(): String {
+        val login = "Login"
+        return login + "42"
+    }
+}
+
+class AnotherActivity : Activity() {
+    private val login: String = "login"
+
+    fun test() {
+        login.length
+        (this as Activity).<info descr="null">login</info>.text = "login"
+    }
+}