Read product property to set Vulkan as default render pipeline

Bug: 119267168
Test: Booted pixel 3 with Vulkan rendering
Change-Id: Ibc4b2e00d791b1fb333c0e0f5db2b5f084808c24
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 0503f36..6585bfc 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -208,6 +208,7 @@
         "FrameInfoVisualizer.cpp",
         "GpuMemoryTracker.cpp",
         "HardwareBitmapUploader.cpp",
+        "HWUIProperties.sysprop",
         "Interpolator.cpp",
         "JankTracker.cpp",
         "Layer.cpp",