Google is about to launch Android 7.0 Nougat and the new Nexus Smartphones ( HTC Marlin and HTC Sailfish ).
According to a report, Google might debut a brand-new launcher for 2016 Nexus devices. Though Its not necessary that this is going to be Nexus-Only launcher, It might be Google launcher for Android 7.0 Nougat Devices.
Well There is no Google Search bar widget and Application Drawer icon. This might not be the final version of New Google launcher, So take it with a Grain of salt!