Fix system/update_engine remote

Change-Id: I4983e476de611712c2deeb69775234bd50b94721
diff --git a/default.xml b/default.xml
index d4133c8..b733fbb 100644
--- a/default.xml
+++ b/default.xml
@@ -587,7 +587,7 @@
   <project path="system/sepolicy" name="platform/system/sepolicy" groups="pdk" remote="aosp" />
   <project path="system/tools/aidl" name="platform/system/tools/aidl" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="system/tpm" name="platform/system/tpm" remote="aosp" />
-  <project path="system/update_engine" name="platform/system/update_engine" />
+  <project path="system/update_engine" name="platform/system/update_engine" remote="aosp" />
   <project path="system/weaved" name="platform/system/weaved" remote="aosp" />
   <project path="system/webservd" name="platform/system/webservd" remote="aosp" />
   <project path="toolchain/binutils" name="toolchain/binutils" remote="aosp" />