Merge "Add assert_utils for multidevice test" into main am: 68c8702570

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3142576

Change-Id: Id5aa7641f7dd8842ddea6359f0e978dd561c5110
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>