aptitudeでGoogle Chrome (google-chrome-stable)が Upgrade できない問題発生．
E: Repository 'http://dl.google.com/linux/chrome/deb stable Release' changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'
E: Failed to download some files
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release:
E: Some index files failed to download. They have been ignored, or old ones used instead.https://stackoverflow.com/questions/50942353/e-repository-http-dl-google-com-linux-chrome-remote-desktop-deb-stable-relea/50942354によるとsudo apt updateで名前の変更を許可すれば良いだけの話らしい．