Squashed 'subtrees/google-apis/' content from commit de78028

git-subtree-dir: subtrees/google-apis
git-subtree-split: de7802824c82ae75b2f6ab8690036f6f4266ea64
Merge commit 'ea55cb192e8bd5a13c498cbb999b41e83da76c91' as 'subtrees/google-apis'
Migrate client lib to subtrees