otautil: Rename dir/sys/thermal utils.

Test: mmma -j bootable/recovery
Change-Id: I32ab98549e91f993364306e4a88dc654221b3869
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp
index 5d3b2d9..48363a6 100644
--- a/tests/component/updater_test.cpp
+++ b/tests/component/updater_test.cpp
@@ -40,10 +40,10 @@
 
 #include "common/test_constants.h"
 #include "edify/expr.h"
-#include "otautil/SysUtil.h"
 #include "otautil/error_code.h"
 #include "otautil/paths.h"
 #include "otautil/print_sha1.h"
+#include "otautil/sysutil.h"
 #include "updater/blockimg.h"
 #include "updater/install.h"
 #include "updater/updater.h"