040000 tree 5109df166cc72c4452d0ba981fc4f2bf910b7625	bionic
040000 tree b5310ce14cc6fe1ce7bbc7c867580eb234c6264f	frameworks
040000 tree 7d47c3aa01798517c91be9b2b08bdc19837730ca	hardware
040000 tree d778a58d6a0d24987663c387fbd02b2f696c8773	system