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-> Tightened up the interpolator and decreased the duration of the
   AllApps-in animation. This removes many excess frames at the end
   of the transition, and frees up perf for swiping AllApps:
   (issue 5359751)
-> Changed when AllApps state gets reset -- now only after
   leaving home, and then pressing home, or when the screen
   turns off.

Change-Id: I76e988102da91c12cb52af01468cf9a81fe45545