Yes and No.
I suppose there would have been an outcry and appeals for the black police officer to be dismissed and tried for murder, and rightly so. (And this has happened before -
https://www.nytimes.com/2019/06/07/u...amed-noor.html)
However, there would not have been widespread protests as (in the US at least) there is no historical and sustained
pattern of white people being targeted by black cops overstepping their limits and using excessive force. Also we have not really had many post civil war leaders openly enable and encourage white supremacy, as we're seeing now.