Add external/cn-cbor

Merged-In: Ia9a20fbdc672621ad55a93b8f79316b231e1859c
Change-Id: Iaddeb800d0697e25137e7d2a2936ba258e20fcae

default.xml

@@ -113,6 +113,7 @@
   <project path="external/chromium-webview" name="platform/external/chromium-webview" groups="pdk" clone-depth="1" />
   <project path="external/clang" name="platform/external/clang" groups="pdk" />
   <project path="external/cmockery" name="platform/external/cmockery" groups="pdk-fs" />
+  <project path="external/cn-cbor" name="platform/external/cn-cbor" />
   <project path="external/compiler-rt" name="platform/external/compiler-rt" groups="pdk" />
   <project path="external/conscrypt" name="platform/external/conscrypt" groups="pdk-cw-fs,pdk-fs,pdk" />
   <project path="external/crcalc" name="platform/external/crcalc" groups="pdk-fs" />