Merge "Use StructNlAttr to handle struct nlattr" into main am: 23e7fc1b21

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2812536

Change-Id: I31988aa001df415a51c718270e6607a48e445c8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>