Merge "Report sparse per-iface stats using atrace." into main am: ac871ada08 am: 94f92759c8 am: b60e5128ac

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2802441

Change-Id: I81b7f9109ff8e071e34f86d7e1c4d76d8f836e43
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>