Host multilib build of both 32-bit and 64-bit libraries.

Change-Id: I54f91f385b109fc664a1a1f9320affb2a846fef1
diff --git a/libutils/Android.mk b/libutils/Android.mk
index 3afc1ec..9a50147 100644
--- a/libutils/Android.mk
+++ b/libutils/Android.mk
@@ -69,6 +69,7 @@
 LOCAL_MODULE:= libutils
 LOCAL_STATIC_LIBRARIES := liblog
 LOCAL_CFLAGS += $(host_commonCflags)
+LOCAL_MULTILIB := both
 include $(BUILD_HOST_STATIC_LIBRARY)