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Implement vulkan instrumentation shell. This requires dependency on
gpu/vulkan for vulkan bindings and initialization, and skia for
setting up pipeline and secondary command buffer to be passed to
webview. The skia dependency is largely the same as hwui's
implementation vulkan draw functor implementation.

This requires one fix to VulkanSwapChain to not try to get the
current TaskRunner on initialization. Webview's render thread does
not have a TaskRunner.

Also needed to plumb an explicit resize event to native
ContextManager to resize the vulkan surface.

Make sure to install draw_fn function table before calling
AwBrowserProcess.start everywhere, so it can call query_render_mode
on initialization.

Add plumbing to allow test to choose to use vulkan, and add a test
rendering test using vulkan. The test is limited to P+ and a hard
coded list of supported devices. Verified the android-pie-arm64-rel
bot can successfully run the test.

Bug: 1141687
Change-Id: Id49b770728d993c7764d7dc044a3d990df5bef3a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2620539
Commit-Queue: Bo <boliu@chromium.org>
Reviewed-by: Peng Huang <penghuang@chromium.org>
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843260}