Enterprise caller-id: framework/base/Telephony

It's basically equivalent to http://ag/500455 and http://ag/499160.

Now "Send to voicemail" and the missed call notification uses the enterprise
lookup; they now work with a corp contact too.

Bug 15779911

Change-Id: I8a87f45ba7299cfbc516eb44326e02258e38cf63
3 files changed