Add Android Support Library prebuilts

Change-Id: I1342035dbf4f60f3f694fb2f56954d3180974940
diff --git a/default.xml b/default.xml
index 668818b..4b4823d 100644
--- a/default.xml
+++ b/default.xml
@@ -59,6 +59,7 @@
   <project path="external/android-clat" name="platform/external/android-clat" groups="pdk-cw-fs" remote="aosp" />
   <project path="external/android-mock" name="CyanogenMod/android_external_android-mock" />
   <project path="external/android-visualizer" name="CyanogenMod/android_external_android-visualizer" />
+  <project path="external/android/support-prebuilt" name="CyanogenMod/external_android_support-prebuilt" revision="master" />
   <project path="external/ant-glob" name="CyanogenMod/android_external_ant-glob" groups="pdk-cw-fs" />
   <project path="external/ant-wireless/ant_native" name="CyanogenMod/android_external_ant-wireless_ant_native" />
   <project path="external/ant-wireless/ant_service" name="CyanogenMod/android_external_ant-wireless_ant_service" />