Android O To Make Software Updates Easier And Faster For OEMs
Project Treble is essentially a vendor interface that will lie between the Android OS framework and the individual manufacturer’s software. The manufacturer’s software is specific to each device and developed by chip-makers. Project Treble will be powered by Vendor Test Suite (VTS) and help to make sure that the chips inside in each device will function correctly with each Android update.
According to Google, “With a stable vendor interface providing access to the hardware-specific parts of Android, device makers can choose to deliver a new Android release to consumers by just updating the Android OS framework without any additional work required from the silicon manufacturers.”
It is currently unclear whether manufacturers will still need to update Android’s code for each device, or if Project Treble will do the work for them. This feature will not be applicable on older devices and will only be available on newer devices with Android O and beyond. Project Treble is currently available on Pixel phones using the O Developer Preview.

Android O promises to be a major overhaul. Google has introduced “Background limits” which will help to prevent background apps from eating up battery life. They have also incorporated notification channels, which can group notifications into user-defined categories. Other features include adaptive icons and Picture-in-Picture, which will allow users to have an overlay video window when working in another app.
Google will provide more information about Android O and Project Treble at their I/O conference next week.