Merge "Track libxml2 API changes." am: 3096c58650

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2089706

Change-Id: If0afe5b65cf36d252118f1306c594d806710c402
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>