Add a landmine for crbug.com/408192

TBR=jam@chromium.org

Review URL: https://codereview.chromium.org/529183004

Cr-Original-Commit-Position: refs/heads/master@{#293024}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 9f49a7ad853db11ffb232ad8649a46b2ae047b53

get_landmines.py

@@ -55,6 +55,7 @@ def print_landmines():
   print 'Need to clobber everything due to build_nexe change in nacl r13424'
   print '[chromium-dev] PSA: clobber build needed for IDR_INSPECTOR_* compil...'
   print 'blink_resources.grd changed: crbug.com/400860'
+  print 'ninja dependency cycle: crbug.com/408192'
 
 
 def main():