Support Satellite Data Metrics at Satellite session

- changes to collect number of times default network connections with data
  stall occurances,
- changes to collect number of disconnection with fail cause was triggered
  at satellite session.
- changes to find average uplink and downlink bandwidth at satellite session

Flag: com.android.internal.telephony.flags.satellite_data_metrics
Bug: 405107194
Test: m and atest
Test: Device Test at b/405107194#comment29
Change-Id: Ib9871a4aa440e589a67174e9555d980545780467