Thanks to Ben for finding this. Looks like all the new bots are internal only, will go ahead and make these public:

Android Nexus5 Perf (internal_only)
  Android Nexus5X Perf (internal_only)
  Android Nexus5X WebView Perf (internal_only)
  Android Nexus6 Perf (internal_only)
  Android Nexus6 WebView Perf (internal_only)
  Android One Perf (internal_only)

Linux Perf (internal_only)
  Mac Retina Perf (internal_only)
  Win 10 High-DPI Perf (internal_only)
  Win 10 Perf (internal_only)
  Win 7 ATI GPU Perf (internal_only)
  Win 7 Intel GPU Perf (internal_only)
  Win 7 Nvidia GPU Perf (internal_only)
  Win 7 Perf (internal_only)
  Win 7 x64 Perf (internal_only)

android-nexus5x-perf (internal_only)

mac-10_12_laptop_low_end-perf (internal_only)
  mac-10_13_laptop_high_end-perf (internal_only)