solves bad char name issue on wifi transfer for android
Split 'common/' into commit '4d5ae0786b7e8b098779c5d18f14a8024e5a57b2'

git-subtree-dir: common
git-subtree-mainline: 6dd9c4494a4bbfc232be726e345ad8d831a07a9b
git-subtree-split: 4d5ae0786b7e8b098779c5d18f14a8024e5a57b2
1.0.9