Tightening incognito mode icon spacing, switching to new asset

 Bug: 3174763

Change-Id: Ia379b06b65729d4df966094df0aa3fb2e47234a8
diff --git a/res/layout/tab_title.xml b/res/layout/tab_title.xml
index 164e9b6..0f500c7 100644
--- a/res/layout/tab_title.xml
+++ b/res/layout/tab_title.xml
@@ -26,11 +26,11 @@
         android:visibility="gone" />
     <ImageView
         android:id="@+id/incognito"
-        android:layout_width="16dip"
-        android:layout_height="16dip"
-        android:layout_marginRight="16dip"
+        android:layout_width="32dip"
+        android:layout_height="32dip"
+        android:layout_marginRight="8dip"
         android:gravity="center_vertical"
-        android:src="@drawable/fav_incognito"
+        android:src="@drawable/ic_incognito_holo_dark"
         android:visibility="gone" />
     <ImageView
         android:id="@+id/favicon"