Manifest for ub-jack-lang-dev

Change-Id: I84f18954a0f851db4ac4dca2b6c9c9b15eb2a0fa
diff --git a/default.xml b/default.xml
index 94d9b0c..f78eeb4 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
  <remote  name="aosp"
           fetch=".."
           review="https://android-review.googlesource.com/" />
- <default revision="ub-jack"
+ <default revision="ub-jack-lang-dev"
           remote="aosp"
           sync-j="4" />
  <project path="toolchain/jack" name="toolchain/jack" />