Merge "Adding NetworkStack Metrics/protos in the Networkstack" into rvc-dev am: 8442e65ebc am: ab4da705a9 am: b29bd340f4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/11629108

Change-Id: I19956e75ebe5a3579a8eb0c52649d70ce8ba3156