Fix bug 3374792 - Default holo dark activity background is badly

dithered at full size

Fix bug 3357191 - Need holo star assets

Fix bug 3357255 - Need expandable list item arrow assets

Fix bug 3373538 - Holo button padding settings difficult to work with
- remove hard padding from holo button styles. This also adds explicit
'small button' holo assets.

Fix bug 3362311 - PopupMenu with just one item has broken borders -
fix 9-patches.

Fix bug 3357195 - Need holo toggle button assets

Change-Id: I9aad9487960dc9f7e7671431ff753a6dde10908a