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 am: 25224f03 am: e2868050 am: e69c13ea am: 3789aee2

Change-Id: I334cf292c7f5f9bb17280f98112205119155e53f