Merge "Support Dual ViLTE stats" am: df875106a7 am: 4ea19cf4b0 am: 175a1d4e49

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

Change-Id: I5739265c2747055b0252da7d1fb9e47d61ca111c
tree: e4d7e827f45c43003ddd7a368b98deab05b96225
  1. core/
  2. services/