Add libcppcbor to library build system am: 10ca06966b am: 7d548df919 am: 2521e189bb

Original change: https://android-review.googlesource.com/c/platform/external/libcppbor/+/1536784

Change-Id: Ie0fbc63033ea191af8c35f0d6a7eb425acef992d