Merge "Update OWNERS file for opengl and vulkan"

# alanward@google.com

chiur@google.com

chrisforbes@google.com

cnorthrop@google.com

courtneygo@google.com

hliatis@google.com

ianelliott@google.com

jessehall@google.com

lpy@google.com

marissaw@google.com

nduca@google.com

pmuetschard@google.com

timvp@google.com

tobine@google.com

vhau@google.com

zzyiwei@google.com