Hide network stats if there's no traffic (2/2)

Change-Id: I7834737bdd06fd864a8327b38dfd5a81906c13eb

Conflicts:

	res/values/cr_strings.xml
Suspend Actions & Wakelock Blocker (2/2)

Change-Id: I325cc96ba5fbfdcb6217a4007daa1a905ac1a219

Conflicts:

	AndroidManifest.xml
	res/values/cr_strings.xml