Get the IMS associated URI which is provided from ImsService to publish the...

Get the IMS associated URI which is provided from ImsService to publish the device capabilities. am: ec617e6c am: 1859c1c7 am: dd34f9f0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/14732253

Change-Id: I591a7628b407a90fda9026fb19d4714000c533f2