Merge "Allow call forwarding number with prefixes to be dialed while on IMS roaming" am: 17c583fbce am: 759853ba37

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1392940

Change-Id: Iaf83b162445ee0d5c75e9118008744b1aed6793c