Make a libexpat.so for the host too.

(cherry picked from commit d05e49b92ad51d34f044f7bb47b91355833d1543)

Change-Id: Ic5024521193faba36b740cc438f73f114f739745
diff --git a/Android.mk b/Android.mk
index faef5bc..0d8a350 100644
--- a/Android.mk
+++ b/Android.mk
@@ -39,6 +39,24 @@
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(common_SRC_FILES)
+LOCAL_CFLAGS += $(common_CFLAGS)
+LOCAL_C_INCLUDES += $(common_C_INCLUDES)
+
+ifeq ($(HOST_OS),darwin)
+	LOCAL_CFLAGS += -fno-common
+endif
+
+LOCAL_MODULE:= libexpat
+LOCAL_MODULE_TAGS := optional
+LOCAL_COPY_HEADERS_TO := $(common_COPY_HEADERS_TO)
+LOCAL_COPY_HEADERS := $(common_COPY_HEADERS)
+
+include $(BUILD_HOST_SHARED_LIBRARY)
+
+
 # For the device
 # =====================================================