Bug 753880 - Marquee aweseome tab strings if they are too long. r=mfinkle

mobile/android/base/resources/layout/awesomebar_tab_indicator.xml

@@ -9,6 +9,8 @@
     <TextView android:id="@+id/title"
               android:layout_width="wrap_content"
               android:layout_height="wrap_content"
+              android:singleLine="true"
+              android:ellipsize="marquee"
               android:layout_marginBottom="3dip"
               android:textColor="@color/awesomebar_tab_text"/>