Merge changes from topic "expose-call-forward" am: 24c1cf113b am: de57e8e84c am: 9f13270180

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1470912

Change-Id: I86a0d80a26b91b7834686696318d90ef00900a99