Remove forward-decleration of SkiaDisplayList

Enables DisplayList to be a wrapper around SkiaDisplayList
instead of a type-alias by having the full include of
SkiaDisplayList available

Test: builds
Change-Id: Ie906e6288530134840bee81af3a89871ed6a7d25
diff --git a/libs/hwui/WebViewFunctorManager.h b/libs/hwui/WebViewFunctorManager.h
index 737d605..17b936a 100644
--- a/libs/hwui/WebViewFunctorManager.h
+++ b/libs/hwui/WebViewFunctorManager.h
@@ -19,11 +19,11 @@
 #include <private/hwui/WebViewFunctor.h>
 #ifdef __ANDROID__ // Layoutlib does not support render thread
 #include <renderthread/RenderProxy.h>
-#else
-#include <utils/Log.h>
 #endif
 
 #include <utils/LightRefBase.h>
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
 #include <mutex>
 #include <vector>