thumbnails for yt audio search results.
Split 'common/' into commit 'db746ecf68999705e2fd5c28ec20327e1ebc3c0a'

git-subtree-dir: common
git-subtree-mainline: 7fcb2cf4e56db94d3a10b416dd35e4dbd22574df
git-subtree-split: db746ecf68999705e2fd5c28ec20327e1ebc3c0a