Stop using a separate ImageView for default wallpaper

Fixes janky transition when going from default
wallpaper to another wallpaper

Bug: 11278179

Change-Id: I738d1ae7bbc5e2d139a084e721b53fed9008367f
Fix issue where empty page doesn't get deleted when flinging to delete a widget in spring loaded

Change-Id: I59a78a4b9135b2c96f0adb4a2e63b19d504706b7
Add visible touch feedback to items in folders

Change-Id: I41937f7864bca39232079a90139679ebd5cc2a07
Ensuring the widget page is full when shown (Bug 10883258)

Change-Id: I9481b5551a2efc093d0fb81fc62a811b34d93d7c
Finished getting rid of mPageSpacing

Change-Id: I5dc8255e6cc902430a91dc27ad1edec5d4308468
A bit of code cleanup (issue 11026590)

Change-Id: I8b2ef52f59abdbe3ca286eac6e639f19a11f7970
Initial changes to support smaller landscape layouts.

Change-Id: If0abe2b82eb08bae4f1ce65b805362d548acb876