Merge tag 87.0.4280.81 from bromite

d4dd2dd6 Release 87.0.4280.81
aecf9624 Merge pull request #823 from uazo/fix-819
b42ba1ae Merge pull request #825 from uazo/fix-autoplay
b93b06ed Merge pull request #821 from zhmars/i18n
fd0b637e fix autoplay setting
92111e3b - correctly passed user agent to blink - in settings, flag assigned at focus of the control - loading of overrides at startup
a5fe3a57 Update zh_CN translations
e9a29a5f Current version of the user agent customization patch

Signed-off-by: Aayush Gupta <theimpulson@e.email>