Updated showcase so that it compile with older versions.

Change-Id: I16bd6422ba2d60dc182a2aa17a6ffc92f396acff
diff --git a/src/test/resources/workdir/projects/showcase/input_jars/showcase.jar b/src/test/resources/workdir/projects/showcase/input_jars/showcase.jar
index 98e3248..85991e6 100644
--- a/src/test/resources/workdir/projects/showcase/input_jars/showcase.jar
+++ b/src/test/resources/workdir/projects/showcase/input_jars/showcase.jar
Binary files differ