Merge "Add UFFDIO_CONTINUE related changes to userfaultfd.h" am: 43ae9976f0 am: 9ce470534f

Original change: https://android-review.googlesource.com/c/platform/prebuilts/runtime/+/2025844

Change-Id: I24f3887df062b9eebef1a91cd9fe7b4e00db9808