when "application usage" is clicked on, drop the screen into
Settings --> Applications --> Manage Applications
(all tab, sorted by size)
Change-Id: I64e11ae9a92529b5fb2781941e532951ad3d04c1
Move out all the memory measurement to a separate class that can cache
all of its data through orientation changes.
Tweak the display to make it draw large squares for the legend instead
of a 1x1 square. Add padding to the percentage bar chart.
Change-Id: I4cd5bc4ba31a422a55740e8f58e5e571cf9866a5