Data usage app bars, draw estimated cycle usage.

Show application list with normalized percentage data usage as
horizontal bar chart.  Draw estimated usage for remainder of cycle
to reinforce log scale, and break out received/sent when showing app
details.

Bug: 5038591, 4948713, 4818025
Change-Id: Ib71e73d4f692adc7fe8ae87edd0cec2a8f3976d3