[2/2] Settings: bring back the status bar activity indicators for mobile data and wifi

Change-Id: I110b24917c34ca1deb5b697196c3d0949bcc8ae7
Settings: StatusBar Ticker (2/2)

PS: MIspeeliings.

Change-Id: I02cf9192c3ba62111a41e7da52cf4c343a589392