Merge "Add executing thread check in LegacyNetworkActivityTracker" am: 48d4e66542

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2605754

Change-Id: I2c451c1e0211c14a711208a88cd94e26d0280d60
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>