libultrahdr: correct srgb, p3 calculations and jpeg yuv handling am: 0db53ee3 am: 824e4b4c

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



Change-Id: Ib07e1a2c8817b1ea986b138f0c1454a9222408fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>