Update EGL_GL_COLORSPACE_BT2020_HLG_EXT to the correct value am: 704ade2ba7 am: 9e98e34f53 am: 05a72dee0c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23516798

Change-Id: I5d00ca257583f7fabb654320b7f20e3d54e27aa0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>