TRDS:[UnifiedEmail] Dark Email (2/2)

Change-Id: Ib3b760fc4cb6bb346cb7e42bea856a238f065557

Conflicts:
	res/layout-sw600dp/wait_for_manual_sync.xml
	res/layout/compose.xml
	res/layout/conversation_list_footer_view.xml
	res/layout/conversation_message_attachment_tile.xml
	res/layout/conversation_view_header.xml
	res/layout/eml_viewer_activity.xml
	res/layout/wait_default.xml
	res/layout/wait_for_manual_sync.xml
	res/layout/wait_for_sync.xml
	res/layout/widget.xml
	res/layout/widget_conversation_list_item.xml
	res/layout/widget_loading.xml
	res/values/colors.xml