Add satellite datagrams in DB.

The following changes are made in this CL:
- Created a new db file SatelliteDatagrams.db
- Created a datagrams table with two columns: datagram_id, datagram

Bug: 269637555
Test: atest com.android.providers.telephony.SatelliteProviderTest,
      Basic sanity, making calls and sending sms
Change-Id: Ie10f101ee0bc79aa95df3f91354da8301d883713
5 files changed