libultrahdr: correct srgb, p3 calculations and jpeg yuv handling am:...

libultrahdr: correct srgb, p3 calculations and jpeg yuv handling am: 0db53ee3 am: 5ad0df9b am: 0b29f050 am: 774b9c3b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23431210



Change-Id: Ia10c2f4f74ef9c3e76dee2869e9715703f576625
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>