https://www.developer-tech.com/news/2018/may/11/vulkan-11-android-p-brings-vr-improvements-and-more/

In March, the first major update to the Vulkan cross-platform GPU API was released, and as of this week, Google have confirmed version 1.1 will be supported by Android P. Here's what you need to know about Vulkan 1.1 for Android development.

First of all, there are several features here are big news for the update as a whole, but aren't likely to be relevant to Android P devices. Multiple GPU support is perhaps the headline feature in this category, as it requires two or more discrete graphics cards to function -- not something you're likely to find on your average Android smartphone, even the expensive ones.