* Update the CODEOWNERS file with the current team name

Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>

* Update build badge to point to Azure DevOps pipeline

Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>

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Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>