tools: start implementing blob interface

Start implementing blob interface to handle sending BLOB protocol
commands.

Change-Id: I9eeb6c1b6f49d9b0332e156e02476e2b07850d64
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/tools/blob_handler.cpp b/tools/blob_handler.cpp
new file mode 100644
index 0000000..a2fe9d3
--- /dev/null
+++ b/tools/blob_handler.cpp
@@ -0,0 +1,6 @@
+#include "blob_handler.hpp"
+
+std::vector<std::string> BlobHandler::getBlobList()
+{
+    return {};
+}