Merge "add congestion control test to CTS" am: be66108f84

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2578355

Change-Id: I60054a39c1ad76b63e5ea714a2b33b158ca6f520
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>