Allow the editable column on add bookmark page to shrink.

Fixes a bug where the the EditTexts extended offscreen.

Change-Id: I668d381ed652353c1903e04998c25bcc938c8418
diff --git a/res/layout/browser_add_bookmark.xml b/res/layout/browser_add_bookmark.xml
index 0eaf526..c547389 100644
--- a/res/layout/browser_add_bookmark.xml
+++ b/res/layout/browser_add_bookmark.xml
@@ -69,6 +69,7 @@
         android:layout_height="wrap_content"
         android:layout_weight="1"
         android:stretchColumns="1"
+        android:shrinkColumns="1"
         android:paddingTop="20dip"
         android:paddingLeft="20dip"
         android:paddingRight="20dip" >