Bug 979992 - [Gaia][System][Window Manager] Status bar is missing during attention screen showing in fullscreen app.
Merge pull request #17060 from ian-liu/system/bug979992_statusbar_is_hidden_while_attention_screen_showing_in_fullscreen_app

Bug 979992 - [Gaia][System][Window Manager] Status bar is missing duringattention screen showing in fullscreen app. r=@etiennesegonzac