makebootfs: use libcutils shared libraries

- move to libcutils.so as shared now that they are
  in DISTTOOL.
- liblog dependency is part of libcutils, and need not be
  called out explicitly now. liblog is in DISTTOOL.
- libcutils fs_config has the right to add Android logging

Bug: 19908228
Change-Id: I915503f64389b59075620578601f98fc0756bd7a
diff --git a/cpio/Android.mk b/cpio/Android.mk
index b9d18ba..2aa7297 100644
--- a/cpio/Android.mk
+++ b/cpio/Android.mk
@@ -10,7 +10,7 @@
 
 LOCAL_CFLAGS := -Werror
 
-LOCAL_STATIC_LIBRARIES := libcutils
+LOCAL_SHARED_LIBRARIES := libcutils
 
 include $(BUILD_HOST_EXECUTABLE)