Fix the incorrect display of the phone account info for an ecall

Notify Telecom of the change so that the proper PhoneAccount can be
displayed, if phoneAccountHandle is adjusted using another phone in
service when an emergency call.

Test: manual
Test: atest TelephonyConnectionServiceTest
Bug: 222657080

Change-Id: I437e0e3aba3a0056a0f41be33300baa9fa497382
1 file changed