Removes bionic's dependence on stlport

Only affects tests/benchmarks. Confirmed passing on arm.

Change-Id: If158e23e8cd06e7597ef6f3c9376f6799b467e62
diff --git a/tests/time_test.cpp b/tests/time_test.cpp
index 58cb374..a089c3a 100644
--- a/tests/time_test.cpp
+++ b/tests/time_test.cpp
@@ -27,7 +27,7 @@
 #include "ScopedSignalHandler.h"
 
 #if defined(__BIONIC__) // mktime_tz is a bionic extension.
-#include <libc/private/bionic_time.h>
+#include <bionic_time.h>
 #endif // __BIONIC__
 
 TEST(time, mktime_tz) {