Add art

Change-Id: I557c86d2282178d215ea17abb71e556bdc4ba722
diff --git a/android/config.go b/android/config.go
index 196df55..9579256 100644
--- a/android/config.go
+++ b/android/config.go
@@ -360,6 +360,14 @@
 	return false
 }
 
+func (c *config) LibartImgHostBaseAddress() string {
+	return "0x60000000"
+}
+
+func (c *config) LibartImgDeviceBaseAddress() string {
+	return "0x70000000"
+}
+
 func (c *deviceConfig) Arches() []Arch {
 	var arches []Arch
 	for _, target := range c.config.Targets[Device] {
diff --git a/root.bp b/root.bp
index 4b03cf1..c4f2d57 100644
--- a/root.bp
+++ b/root.bp
@@ -6,6 +6,7 @@
 ]
 
 optional_subdirs = [
+    "art",
     "bionic",
     "build/kati",
     "build/tools/*",