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vkGetSemaphoreWin32HandleKHR, vkImportSemaphoreWin32HandleKHR,
vkGetMemoryWin32HandleKHR and vkGetMemoryWin32HandlePropertiesKHR are
added. They will be used for Vulkan and GL interop on Windows.

Bug: 1067709
Change-Id: Ie735a25c31d41ac5af1d8734c5ba830b1f340465
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2135974
Commit-Queue: Peng Huang <penghuang@chromium.org>
Commit-Queue: Vasiliy Telezhnikov <vasilyt@chromium.org>
Auto-Submit: Peng Huang <penghuang@chromium.org>
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756392}