Add RenderProxy to host builds of hwui

This makes RenderProxy and DrawFrameTask compile on host.

Bug: 322360037
Test: build libhwui on host
Change-Id: I509519e6838ed250c1a1a68390e5e16769427f63
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index ac38b6d..7439fbc 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -541,7 +541,9 @@
         "pipeline/skia/TransformCanvas.cpp",
         "renderstate/RenderState.cpp",
         "renderthread/CanvasContext.cpp",
+        "renderthread/DrawFrameTask.cpp",
         "renderthread/Frame.cpp",
+        "renderthread/RenderProxy.cpp",
         "renderthread/RenderTask.cpp",
         "renderthread/TimeLord.cpp",
         "hwui/AnimatedImageDrawable.cpp",
@@ -620,13 +622,11 @@
                 "pipeline/skia/VkFunctorDrawable.cpp",
                 "pipeline/skia/VkInteropFunctorDrawable.cpp",
                 "renderthread/CacheManager.cpp",
-                "renderthread/DrawFrameTask.cpp",
                 "renderthread/EglManager.cpp",
                 "renderthread/ReliableSurface.cpp",
                 "renderthread/RenderEffectCapabilityQuery.cpp",
                 "renderthread/VulkanManager.cpp",
                 "renderthread/VulkanSurface.cpp",
-                "renderthread/RenderProxy.cpp",
                 "renderthread/RenderThread.cpp",
                 "renderthread/HintSessionWrapper.cpp",
                 "service/GraphicsStatsService.cpp",