[DO NOT MERGE] Increase min free levels for cached processes on 64bit

Requires less memory pressure to start killing cached
processes.

Change-Id: Ia02f5aee115535badc900330b9361f0099203e4f
Increasing the min swipe thresholds for the nav bar gestures. (Bug 17109581)

Change-Id: I1bcf6f91f616890f0e815db33267c5230ae9c76f
(cherry picked from commit 559e6d34b4e76ee21dc6e300681c399ed735a964)
Merge tag 'android-5.0.0_r5' of https://android.googlesource.com/platform/frameworks/base into L

Android 5.0.0 release 5