SurfaceFlinger: Get rid of String8 in dumpsys

Test: build and gui/ui/renderengine/surfaceflinger tests and compare
dumpsys SurfaceFlinger results
Change-Id: Iafdaf73a0acbbbb8fbafc930ad86285106a07e13
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index 997ae90..d872f02 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -18,6 +18,7 @@
         "-DEGL_EGLEXT_PROTOTYPES",
     ],
     shared_libs: [
+        "libbase",
         "libcutils",
         "libEGL",
         "libGLESv1_CM",