Add in host side library as well.

Change-Id: I65b65c7b39cfd4811312c244cda5513cc174f2cc
diff --git a/Android.mk b/Android.mk
index 6253248..ddd6028 100644
--- a/Android.mk
+++ b/Android.mk
@@ -24,3 +24,12 @@
 
 # Include this library in the build server's output directory
 $(call dist-for-goals, droid, $(LOCAL_BUILT_MODULE):guava.jar)
+
+# Also build a host-side library
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_MODULE := guavalib
+LOCAL_STATIC_JAVA_LIBRARIES := jsr305lib
+
+include $(BUILD_HOST_JAVA_LIBRARY)