Reduce number of binder calls by saving nav bar state

Change-Id: I3729d05a34a661cb74e998c40b61c615cdbf83a6
Merge "Reduce number of binder calls by saving nav bar state" into cm-10.1
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1

Conflicts:
	core/java/android/view/ViewConfiguration.java

Change-Id: I29811097fe075a17129faf8762b563ac61916673