Merge "Add tron metrics to track iorap." into rvc-dev am: f40975ee am: 1c53e8cf am: 74459cd3

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

Change-Id: Ie491c16ef55537b90731f15690d340c01ad016a4