Merge "Support Dual ViLTE stats" am: 371bd281f5 am: 4890738bde

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

Change-Id: Iaa7d8d3dcb106cd19777fe1ff64db5ab4ea75991
tree: 930e89b6d7456259e2c75a340296c6f86bf30003
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING