sensorcommands: add array header

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ib171d91416aa5c03cb43f9860ae21cabcdb50eb3
diff --git a/src/sensorcommands.cpp b/src/sensorcommands.cpp
index 168097f..c4801d5 100644
--- a/src/sensorcommands.cpp
+++ b/src/sensorcommands.cpp
@@ -15,6 +15,7 @@
 */
 
 #include <algorithm>
+#include <array>
 #include <boost/algorithm/string.hpp>
 #include <boost/container/flat_map.hpp>
 #include <chrono>