Use the correct drawable to badge user icon

Also, ic_corp_user_badge is now tinted by default color, insteaad
on white by default.

Test: Create managed user, observe the icon is now blue on white.
Test: Wifi data usage, observe the icon of "All work apps" are now
grey instead of white.

Change-Id: Ic6c8ed15644c6e7894f2a84320077a3962603b5b