Include TelephonyRegistry in connectivity bug reports.

This appears to be a simple case of omission, and it often contains
useful debugging information that survives telephony process crashes
since it lives in the system server.

Package names have already been scrubbed from the dump (from change
Iad7be2d7), and the output contains no other PII.

Bug: 150409813
Bug: 146521742
Test: adb shell am bug-report --telephony, verify TelReg is dumped
Change-Id: I068d50f1247d4e266d90b0557c6166cabd1bcf3f