Reintroduce the older toolchains

we still have broken kernels that require 4.4

Change-Id: I62a2067c20354379bc7b2dd6425a2c0e07dc8abc
diff --git a/default.xml b/default.xml
index ca95870..acfd492 100644
--- a/default.xml
+++ b/default.xml
@@ -331,6 +331,7 @@
   <project path="packages/wallpapers/NoiseField" name="CyanogenMod/android_packages_wallpapers_NoiseField" />
   <project path="packages/wallpapers/PhaseBeam" name="CyanogenMod/android_packages_wallpapers_PhaseBeam" />
   <project path="pdk" name="platform/pdk" remote="aosp" revision="jb-mr1-release" />
+  <project path="prebuilt" name="CyanogenMod/android_prebuilt" />
   <project path="prebuilts/clang/darwin-x86/3.1" name="platform/prebuilts/clang/darwin-x86/3.1" groups="darwin" remote="aosp" revision="jb-mr1-release" />
   <project path="prebuilts/clang/darwin-x86/3.2" name="platform/prebuilts/clang/darwin-x86/3.2" groups="darwin" remote="aosp" revision="jb-mr1-release" />
   <project path="prebuilts/clang/linux-x86/3.1" name="platform/prebuilts/clang/linux-x86/3.1" groups="linux" remote="aosp" revision="jb-mr1-release" />