Handle vulkan windowing directly in SkiaVulkanPipeline

Test: manual testing in skiavk mode
Change-Id: I2fab80bae2787bfdacbc70d0402e98450e59406d
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 8dc502a..4722050 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -40,6 +40,7 @@
     renderthread/OpenGLPipeline.cpp \
     renderthread/DrawFrameTask.cpp \
     renderthread/EglManager.cpp \
+    renderthread/VulkanManager.cpp \
     renderthread/RenderProxy.cpp \
     renderthread/RenderTask.cpp \
     renderthread/RenderThread.cpp \