Merge "Support Dual ViLTE stats" am: df875106a7 am: 4ea19cf4b0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1540920

Change-Id: Iaa7d8d3dcb106cd19777fe1ff64db5ab4ea75991
tree: 8a3a704d76c6516350a01b4f4a56a80cfb1990f6
  1. core/
  2. services/