Add CyanogenMod cardslib fork to default.xml.

Change-Id: I6d767437d33e3d3629af68c725168ed4b11e0ea3
diff --git a/default.xml b/default.xml
index a66c26a..f287854 100644
--- a/default.xml
+++ b/default.xml
@@ -69,6 +69,7 @@
   <project path="external/bson" name="CyanogenMod/android_external_bson" />
   <project path="external/busybox" name="CyanogenMod/android_external_busybox" />
   <project path="external/bzip2" name="CyanogenMod/android_external_bzip2" groups="pdk" />
+  <project path="external/cardslib" name="CyanogenMod/android_external_cardslib" />
   <project path="external/ceres-solver" name="platform/external/ceres-solver" remote="aosp" revision="refs/tags/android-4.4.4_r1" />
   <project path="external/checkpolicy" name="CyanogenMod/android_external_checkpolicy" groups="pdk" />
   <project path="external/chromium" name="CyanogenMod/android_external_chromium" />