FWB: Network traffic meter (1/2)

PS2: Make fonts smaller
PS3: Remove useless colors.xml change

Change-Id: I00f096784a238b3828c4e0a79ecfe410b69bc888
FWB: Network traffic supercharged (1/2)

Bring back AICP kk traffic

Change-Id: Ide3ac899da7632dd1fb3a0615ab9560a4ae6cfd0