Network stats custom colors (2/2)

Change-Id: I55ff6f4fcf23fcfc795a1ce784c580ff41ed317e

Conflicts:
	res/values/cr_strings.xml
Network stats: Hide if there's no traffic (2/2)

Change-Id: Idc37765c73b7a7892b4d27259309e0038e4fcae8

Conflicts:
	res/values/cr_strings.xml