[HWUI] clean up libgui include directives

As a first pass removing some stale includes.

Bug: 138819035
Change-Id: I7aef319aa8f1b13b6482ef61fda151560e570558
Test: builds
diff --git a/libs/hwui/renderthread/VulkanManager.cpp b/libs/hwui/renderthread/VulkanManager.cpp
index 280f7d3..5100165 100644
--- a/libs/hwui/renderthread/VulkanManager.cpp
+++ b/libs/hwui/renderthread/VulkanManager.cpp
@@ -17,7 +17,8 @@
 #include "VulkanManager.h"
 
 #include <android/sync.h>
-#include <gui/Surface.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 
 #include "Properties.h"
 #include "RenderThread.h"