Merge "docs: Among devices which support Vulkan 1.1, a subset support it via...

Merge "docs: Among devices which support Vulkan 1.1, a subset support it via software emulation. Refer to the NDK docs on how to address these devices. See also cr/292399283." into rvc-dev am: e41357fc

Change-Id: I59c42fa9e2e04dc7d7370272e8081e2dbb48f7cf