Android 7.1.2 reportedly rolling out OTA to the Pixel C Tablet3
Again, based on the beta, Android 7.1.2 should allow users to receive a list of apps that are consuming too much energy from a phone's battery. It also will allow users to set Live Wallpaper in the Home Screen, or on both the Home Screen and lock screen. The Pixel Launcher is supposed to be added to the Pixel C, and a new multitasking UI allows users to see the last eight apps opened in a 2 x 4 set up.
The Google OTA and Factory Image pages are not showing any sign of Android 7.1.2, but if the image of the System Update that accompanies this story is legit, it is just a matter of time before both pages are updated. By the way, the size of the update for the Pixel C weighs in at 340.1 MB.
There is some speculation that the update is officially supposed to start getting pushed out tomorrow, April 3rd. If you have a recent Pixel or Nexus device (other than the Nexus 6 or Nexus 9, neither of which will receive Android 7.1.2) keep an eye out for notification that the update has arrived.
source: Reddit via AndroidPolice