Android Extensions: handle layout file rename

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

@@ -0,0 +1,12 @@
+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?) {}
+    val button = <caret>login
+}
+