Make tab widget contain account name text view to avoid animation glitch

Internal Bug: 2153912
diff --git a/res/layout-finger/tab_layout.xml b/res/layout-finger/tab_layout.xml
index 23359b7..9a793c3 100644
--- a/res/layout-finger/tab_layout.xml
+++ b/res/layout-finger/tab_layout.xml
@@ -15,6 +15,7 @@
 -->
 
 <HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/tab_scroll_view"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:layout_alignParentLeft="true"