1e5b0269a8
In the metrics.h documentation the target to include a default implementation of metrics was referring to the previous build system (gyp). Now it is updated to refer to the current target. BUG=None NOTRY=True TBR=henrika@webrtc.org Review-Url: https://codereview.webrtc.org/2699093002 Cr-Commit-Position: refs/heads/master@{#16766}