Merge "[MS39.2] Remove the looper from NetworkStatsSubscriptionMonitor" am: 7d9470ca0b am: fc294135ba

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1936490

Change-Id: I4349dd3fe4ef291df4c0a77a23a8a8dc30f9e06a