Bug 1069686 - Move new tablet tab strip resources to layout-large. r=mhaigh

--HG--
rename : mobile/android/base/resources/layout/tab_strip.xml => mobile/android/base/resources/layout-large-v11/tab_strip.xml
rename : mobile/android/base/resources/layout/tab_strip_item.xml => mobile/android/base/resources/layout-large-v11/tab_strip_item.xml
rename : mobile/android/base/resources/layout/tab_strip_item_view.xml => mobile/android/base/resources/layout-large-v11/tab_strip_item_view.xml