nearby: snapshot as of cl/296436629

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I2cf5bf225b76f4c1541954651f3a7544a14e0cec

cpp/platform/ptr.cc

@@ -0,0 +1,13 @@
+#include "platform/ptr.h"
+
+namespace location {
+namespace nearby {
+
+namespace ptr_impl {
+
+const std::int32_t RefCount::kInitialCount = 0;
+
+}  // namespace ptr_impl
+
+}  // namespace nearby
+}  // namespace location