Merge "Add tron metrics to track iorap." into rvc-dev am: f40975ee76 am: 1c53e8cfa4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11833622

Change-Id: Id55aa72be9d5978ef60f4c84df0093b04f9822e1