vrend: Use server side fence wait.
Change to use eglWaitSyncKHR which is a server side fence and it could be sightly better.
Signed-off-by: Lepton Wu lepton@chromium.org
Change to use eglWaitSyncKHR which is a server side fence and it could be sightly better.
Signed-off-by: Lepton Wu lepton@chromium.org