am 2542c0a8: AI 149346: Replace icon_templates-v1.0.zip with new archive from cnesladek. remove mac-specific files, fix dir name, repack.   BUG=1877969

Merge commit '2542c0a805b144b4c4324a749574d9ba76660557' into donut

* commit '2542c0a805b144b4c4324a749574d9ba76660557':
  AI 149346: Replace icon_templates-v1.0.zip with new archive from cnesladek. remove mac-specific files, fix dir name, repack.