Benchmark for compiling a trivial hello world program.

Change-Id: Idac927a5fadb005a218cf7b7ae53345496b0ef90
diff --git a/tools/golem.py b/tools/golem.py
index 6552145..dd3a25b 100755
--- a/tools/golem.py
+++ b/tools/golem.py
@@ -20,6 +20,7 @@
     'opensource_apps',
     'proguardsettings',
     'r8',
+    'sample_libraries',
     'youtube',
 ]