Squashed '$external/ProxyGenerator/' changes from 58bed88..5073f46

5073f46 removed auto-generated proxy assembly name

git-subtree-dir: $external/ProxyGenerator
git-subtree-split: 5073f46d5c7fe5111c7948efda688d105cc6be58
Merge commit '0c5dcd3a2b4cfe8005601e5933ad410cb7a8cee5'