ultrahdr: Fix nan occurence during xmp generation am: cd3f6373 am: 43665b07 am: 46d5d879

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23539346



Change-Id: I203627aeb95d27b577f765cbe8203ac523f71c44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>