am f3043db0: AI 149251: Add 1.x Icon Guidelines doc and template pack.   BUG=1790234

Merge commit 'f3043db05bdd5424504dd479082fc8554676a682' into donut

* commit 'f3043db05bdd5424504dd479082fc8554676a682':
  AI 149251: Add 1.x Icon Guidelines doc and template pack.