am ca8f3d04: Merge "Add an option to hide the Voice Search icon." into froyo

Merge commit 'ca8f3d04284a26477257a0c2b34d83c86d15efe9' into gingerbread

* commit 'ca8f3d04284a26477257a0c2b34d83c86d15efe9':
  Add an option to hide the Voice Search icon.