Bug 939232 - [Action Icons - Lockscreen] Remove shadows from action icons
Bug 939224 - [Action Icons - Notification Tray] Remove shadows from action icons
Merge pull request #13804 from pivanov/bug-939232

Bug 939232 - [Action Icons - Lockscreen] Remove shadows from action icons
Merge pull request #13808 from pivanov/bug-939224

Bug 939224 - [Action Icons - Notification Tray] Remove shadows from action icons
Bug 939152 - [Action Icons - Shared] Remove shadows from action icons
Merge pull request #13780 from pivanov/bug-939152

Bug 939152 - [Action Icons - Shared] Remove shadows from action icons
Bug 939147 - Remove shadows from browser action icons
Merge pull request #13783 from pivanov/bug-939147

Bug 939147 - [Action Icons - Browser] Remove shadows from action icons