Recents: Google Recents

Featuring:

* Mr. Jingles - when you fully wiped everything off from recents, you'll have mr. jingles jiggling for you!
* More Google Now look alike

Changelog:

PS1: Inital Animation Release, drawables kanged from Google+ http://www.youtube.com/watch?v=Iff1yGtvooo
PS2: More improvements, oneshot=true, so it won't loop
PS3: Make it Google style, WHITE! (I may need user's feedback, something i feel the hate beyond us.) http://www.youtube.com/watch?v=4cE75HbPO-Q
PS4: Lighter white transparency at the background, used lighter gray context
PS5: Clear button, colored
PS12: Fix landscape layout
============================================
AICP PS1: background back to black ;)
AICP PS2: attempt to get a working darkswitch implementation

To-Do:
maybe add the possibiltiy to change between black and white according to dark
switch position

* Change Clear-All drawable to something more recenty like

Change-Id: I2ecac931bad9f1f393e1d98a17c59b8015a3fc57

Conflicts:
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
	packages/SystemUI/res/layout/status_bar_no_recent_apps.xml
	packages/SystemUI/res/layout/status_bar_recent_item.xml
	packages/SystemUI/res/layout/status_bar_recent_panel.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java