Current status of SDL.

test/CoverageHeaderAggregation.cpp

@@ -0,0 +1,8 @@
+#include <hdk/sdl.hpp>
+
+#include <hdk/sdl/Application.hpp>
+
+namespace {
+// Keep a concrete symbol in this translation unit so coverage artifacts are emitted.
+volatile int kCoverageHeaderAggregationAnchor = 1;
+}