Set root elements for xsd_config am: a70d28b9e4

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Wifi/+/2598292

Change-Id: Ia908afc14f54a4a312557b5ec869bc9fafe21a79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>