Add platform/compatibility/cdd

BUG:32977616
Change-Id: Ie6b12764f710ffe3bf9e9179ae29bbd072ea540e

default.xml

@@ -26,6 +26,7 @@
   <project path="art" name="platform/art" groups="pdk" />
   <project path="bionic" name="platform/bionic" groups="pdk" />
   <project path="bootable/recovery" name="platform/bootable/recovery" groups="pdk" />
+  <project path="compatibility/cdd" name="platform/compatibility/cdd" groups="pdk" />
   <project path="cts" name="platform/cts" groups="cts,pdk-cw-fs,pdk-fs" />
   <project path="dalvik" name="platform/dalvik" groups="pdk-cw-fs,pdk-fs" />
   <project path="developers/build" name="platform/developers/build" />