ultrahdr: Fix nan occurence during xmp generation am: cd3f637361 am: 223de5d0ca am: 1668a39a65

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

Change-Id: If12641cf49a8f71c4e6e66cc90b718b27ffd3c2c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>