Hide network stats when there'as no traffic (1/2)

Change-Id: I730f480df4212ab5e2058dfee4979b54f457c09b
Thanks: @Der_schubi
Suspend Actions & Wakelock Blocker (1/2)

Change-Id: Ie63551e0e6f1a1ee5c2e16da441076557512936a

Conflicts:

	core/java/android/provider/Settings.java