Merge "Increase scroll speeds" into kitkat
Merge "Fix infinite recursive loop" into kitkat
Merge "Fix a programmatic smooth scroll bug" into kitkat
Merge "frameworks/base: Fix for the race in Wallpaperservice" into kitkat
Merge "ZygoteInit: increase GC threshold amount when preloading to postpone GC" into kitkat
frameworks/base: Day and week on data usage (1/2)

Adds the ability to set day and week on when the data usage
graph resets, instead of just month.

Change-Id: I61b0aa3bdea015793928e4af2b8d8a79147a123e