Merge "Add Data Saver utils in Firewall test helper class" into main am: 90428539d6

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2804117

Change-Id: I9be6f9c710966b5b2ad3954774271894782ed48e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>