AI 149924: Add OpenWnn to the SDK builds.

Automated import of CL 149924
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index eef473b..46be49f 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -19,6 +19,11 @@
 	sqlite3 \
 	LatinIME \
 	PinyinIME \
+	OpenWnn \
+	libWnnEngDic \
+	libWnnJpnDic \
+	libWnnZHCNDic \
+	libwnndict \
 	ApiDemos \
 	SoftKeyboard