Merge "[MS39.1] Remove the looper from NetworkStatsSubscriptionMonitor" am: a8dd1f55ac am: f9d029bebd

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1936448

Change-Id: I540d9d92a84c17c99a7708a7ab0d7ffd38de7eb5