Build CTS out of TF source

Export the TF jar build from source to the cts zip.

Test: build cts
Bug: 32819381
Change-Id: I4e1ccbd3a7ea27998a95986c1dd0348e01da60b6
diff --git a/core/tasks/tools/compatibility.mk b/core/tasks/tools/compatibility.mk
index 076585f..5328764 100644
--- a/core/tasks/tools/compatibility.mk
+++ b/core/tasks/tools/compatibility.mk
@@ -26,6 +26,7 @@
 test_artifacts := $(COMPATIBILITY.$(test_suite_name).FILES)
 test_tools := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar \
   $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/tradefed.jar \
   $(HOST_OUT_JAVA_LIBRARIES)/compatibility-host-util.jar \
   $(HOST_OUT_JAVA_LIBRARIES)/compatibility-host-util-tests.jar \
   $(HOST_OUT_JAVA_LIBRARIES)/compatibility-common-util-tests.jar \