overlay: increase mms size limit

Change-Id: If2689aa85c13f3f808c8b54dc0f7ea4e922e2b48
telephony: show apn settings

Change-Id: Ib439e90eeee33c681253d5c72292a3887c679ff0
firmware: remove wcnss symlinks

* we're shipping blobs now

Change-Id: Idd2180a322b098dd7d6d33efb970481d05dbff50
Set System prop to allow proper Imsi handling

Sets system prop "ro.telephony.get_imsi_from_sim=true" so that
the Imsi from SIMRecords will get properly used.

Change-Id: Ie8939b887046eb29ab7057ab37f111ceeb2fa568