Remove "nascar" term from styles and layouts

Change-Id: Ie9502ffcd9b2d1467590dbb2004f441d3fcc9e56

Author: Iain McGinniss

auth/src/main/java/com/firebase/ui/auth/ui/idp/AuthMethodPickerActivity.java

@@ -69,7 +69,7 @@ public class AuthMethodPickerActivity
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.nascar_layout);
+        setContentView(R.layout.auth_method_picker_layout);
         Button emailButton = (Button) findViewById(R.id.email_provider);
         emailButton.setOnClickListener(this);
         populateIdpList(mActivityHelper.flowParams.providerInfo);

auth/src/main/res/layout/nascar_layout.xml renamed to auth/src/main/res/layout/auth_method_picker_layout.xml

@@ -1,15 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-     android:layout_width="match_parent"
-     android:layout_height="match_parent"
-     android:gravity="center|bottom"
-    >
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center|bottom">
+
     <LinearLayout
-        style="@style/FirebaseUI.NASCAR.ButtonHolder"
-        android:id="@+id/btn_holder">
+        android:id="@+id/btn_holder"
+        style="@style/FirebaseUI.AuthMethodPicker.ButtonHolder">
+
         <Button
             android:id="@+id/email_provider"
             style="@style/FirebaseUI.Button.AccountChooser.EmailButton"
             android:text="@string/email_button_text"/>
+
     </LinearLayout>
+
 </LinearLayout>

auth/src/main/res/values/styles.xml

@@ -194,10 +194,10 @@
         <item name="android:paddingBottom">8dp</item>
     </style>
 
-    <!-- NASCAR screen -->
-    <style name="FirebaseUI.NASCAR"></style>
+    <!-- Authentication method picker styles -->
+    <style name="FirebaseUI.AuthMethodPicker" />
 
-    <style name="FirebaseUI.NASCAR.ButtonHolder">
+    <style name="FirebaseUI.AuthMethodPicker.ButtonHolder">
         <item name="android:orientation">vertical</item>
         <item name="android:paddingBottom">56dp</item>
         <item name="android:layout_width">220dp</item>