Fix WrongIdFormat exception on Android XML widgets with non-@+id/ format

plugins/android-idea-plugin/testData/android/findUsages/wrongIdFormat/res/layout/layout.xml

@@ -0,0 +1,20 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:tools="http://schemas.android.com/tools"
+             android:id="@+id/item_detail_container"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             tools:context=".ItemDetailActivity"
+             tools:ignore="MergeRootFrame" >
+
+    <Button
+        android:id="@android:id/text1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <Button
+        android:id="@+id/login"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Sign in" />
+
+</FrameLayout>

plugins/android-idea-plugin/testData/android/findUsages/wrongIdFormat/wrongIdFormat.kt

@@ -0,0 +1,14 @@
+package com.myapp
+
+import android.app.Activity
+import android.os.Bundle
+import java.io.File
+import kotlinx.android.synthetic.layout.*
+
+public class MyActivity : Activity() {
+    override fun onCreate(savedInstanceState: Bundle?) {}
+    val button = login<caret>
+
+    fun f() = login.toString()
+}
+