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The recent Vulkan-ValidationLayers roll causes errors when vulkan
is enabled. workaround the problem by returning false from vulkan
error callback, and only log the error message once.

This CL also make debug callbacks return VK_FALSE, so chrome will have
same behavior with release build.

Bug: angleproject:4583
Change-Id: Iabe55dcfcf495d39be4fc4a1f42c71f07e1ad255
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2166631
Auto-Submit: Peng Huang <penghuang@chromium.org>
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Commit-Queue: Vasiliy Telezhnikov <vasilyt@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762856}