Merge "Add @AppModeFull annotation to NsdManagerDownstreamTetheringTest" into main am: b01d0721a2

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2763305

Change-Id: I8954558da7186eaf6e15ce72e7557a4d0a7dc6bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>