manifest: Switch to our fork of art

Change-Id: If1e1b23fbe67d29d778f66de9db198e8b186684f
diff --git a/default.xml b/default.xml
index bad7a66..ea61b45 100644
--- a/default.xml
+++ b/default.xml
@@ -44,7 +44,7 @@
     <linkfile src="root.bp" dest="Android.bp" />
     <linkfile src="bootstrap.bash" dest="bootstrap.bash" />
   </project>
-  <project path="art" name="platform/art" groups="pdk" remote="aosp" />
+  <project path="art" name="LineageOS/android_art" groups="pdk" />
   <project path="bionic" name="LineageOS/android_bionic" groups="pdk" />
   <project path="bootable/recovery" name="LineageOS/android_bootable_recovery" groups="pdk" />
   <project path="bootable/libbootloader" name="platform/bootable/libbootloader" groups="vts,pdk" remote="aosp" />