Add ddmlib-tests.jar to sdk build.

Change-Id: Ifc7cc59726066f869504a338d3025bffdeaa6785
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index d3cd7f2..3abaa84 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -111,7 +111,8 @@
         monkeyrunner \
         guavalib \
         jsr305lib \
-	jython
+	jython \
+        ddmlib-tests
 
 PRODUCT_PACKAGE_OVERLAYS := development/sdk_overlay