NetStats: Don't update stats when screen is off

Also moved registering of broadcast receiver and settings
observer to onAttachedToWindow() and unregistering to
onDetachedFromWindow() to avoid these being leaked.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkStatsView.java

Change-Id: I077515a0550a8268b2ec4ed09b5bf0f42315733d
Network stats: use number formating based on android code

Uses logic from Formatter.formatFileSize

Change-Id: I9008df0e90fbaf8d733cfd853dc1ef6160cf67f5
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Don't ANR when no windows are touchable.

If the user touches a portion of the screen in which all of the windows
have FLAG_NOT_TOUCHABLE set, handle this as a failed event injection,
so that it doesn't result in ANR.

Change-Id: I6437e3dd1641005b8ac80f6cf7d20b14b97fcc7b
Treat UnsatisfiedLinkError as non-fatal

Bug: 11466297

(cherry picked from commit e92f19e58caa05f5f4086d12a6396116ce6182aa)

Change-Id: I449474078b9f465f1da26a27bf96f9c35d2bb2fc