Implement WebView support for Vulkan using temporary buffer

Draw WebView in an offscreen GL buffer, then import and draw the
buffer with Vulkan.

Bug: 115610873
Test: Passed WebView CTS tests that are part of UiRendering.
Change-Id: Ida137fe9b8652d2a936ec2798b909be7e77b3462
diff --git a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
index 5cbe33d..e34f160 100644
--- a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
@@ -22,6 +22,7 @@
 #include "SkiaProfileRenderer.h"
 #include "renderstate/RenderState.h"
 #include "renderthread/Frame.h"
+#include "VkFunctorDrawable.h"
 
 #include <SkSurface.h>
 #include <SkTypes.h>
@@ -146,9 +147,7 @@
 }
 
 void SkiaVulkanPipeline::invokeFunctor(const RenderThread& thread, Functor* functor) {
-    // TODO: we currently don't support OpenGL WebView's
-    DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext;
-    (*functor)(mode, nullptr);
+    VkFunctorDrawable::vkInvokeFunctor(functor);
 }
 
 sk_sp<Bitmap> SkiaVulkanPipeline::allocateHardwareBitmap(renderthread::RenderThread& renderThread,