Merge "Track libxml2 API changes." am: 3096c58650 am: d21a771983 am: d10fba30be

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

Change-Id: I48aa7e57da135c5cb975d2eebd739d8b3db90ae9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>