Merge changes I21f07545,I73c39cbe,I47b1639c,I4a6268d7,I06be9898, ... into nyc-dev

Merge changes I21f07545,I73c39cbe,I47b1639c,I4a6268d7,I06be9898, ... into nyc-dev
am: 4ad5c14

* commit '4ad5c1414b3cfcbe5b3c3b9f21b42f23d99bafba':
  vulkan: remove unused loader.{cpp.h}
  vulkan: use driver::GetData everywhere
  vulkan: move all _Bottom functions
  vulkan: add swapchain.h
  vulkan: add layers_extensions.h
  vulkan: rework CreateInstance_Bottom and related ones
  vulkan: rework EnumerateDeviceExtensionProperties_Bottom
  vulkan: rework {Create,Destroy}Device_Bottom
  vulkan: move AllocateCommandBuffers_Bottom
  vulkan: move GetDeviceQueue_Bottom
  vulkan: rework DriverDispatchTable
  vulkan: rework driver::Get*ProcAddr
  vulkan: add VK_ANDROID_native_buffer to vulkan.api
  vulkan: move driver::GetDefaultAllocator
  vulkan: move driver::OpenHAL
  vulkan: move driver::Debuggable

Change-Id: I7039d5192d8adc836ce313cab26ec5a7a8aad50b