Merge "Set root elements for xsd_config" am: af7c0387 am: a55e1113 am:...

Merge "Set root elements for xsd_config" am: af7c0387 am: a55e1113 am: 489fba47 am: 618af98a

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2598290



Change-Id: I746b3286798825d954f8f63cb138367b62958a3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>