renderer: add missing <cassert> include am: 74d066be5a am: 2c6f4cc24c am: e82114dee5

Original change: https://android-review.googlesource.com/c/platform/tools/test/graphicsbenchmark/+/1656761

Change-Id: Ifb27133157cd51915ad3053ce0b85a593b01957b
diff --git a/apps/sample_app/src/cpp/renderer.cpp b/apps/sample_app/src/cpp/renderer.cpp
index b478f2f..a9229ac 100644
--- a/apps/sample_app/src/cpp/renderer.cpp
+++ b/apps/sample_app/src/cpp/renderer.cpp
@@ -17,8 +17,9 @@
 
 #include "renderer.h"
 
-#include <vector>
+#include <cassert>
 #include <memory>
+#include <vector>
 
 #include <EGL/eglext.h>
 #include <GLES2/gl2.h>