Integrate RCS provisioning updates into SipTransport

Bug: 173828167
Test: atest TeleServiceTests:com.android.phone.RcsProvisioningMonitorTest
Merged-In: Ifabbe6a4c4cccef85c5c1b43fcb7876bad33e226
Change-Id: Ifabbe6a4c4cccef85c5c1b43fcb7876bad33e226
3 files changed