Track rename of base/ to android-base/.

Change-Id: Idf9444fece4aa89c93e15640de59a91f6e758ccf
diff --git a/strings_test.cpp b/strings_test.cpp
index 5f67575..30ae29e 100644
--- a/strings_test.cpp
+++ b/strings_test.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "base/strings.h"
+#include "android-base/strings.h"
 
 #include <gtest/gtest.h>