Revert "Revert "Add UsbDebuggingManager and UsbDebuggingActivity to LegacyUsbManager""

This reverts commit 116a1236d1a042d69aae4a41af7c3245a40368b4.
Revert "Revert "Enable Pie without expanded desktop""

This reverts commit da8fe1f1d4adfc997ac4b515d7a12cf83648b4e6.