Merge changes from topic 'build-vts-zip'

* changes:
  delete vts.mk (which is moved to test/vts)
  include VTS packaging task files

core/Makefile

@@ -2471,6 +2471,7 @@ include $(sort $(wildcard $(BUILD_SYSTEM)/tasks/*.mk))
 -include $(sort $(wildcard product/*/*/build/tasks/*.mk))
 # Also add test specifc tasks
 include $(sort $(wildcard platform_testing/build/tasks/*.mk))
+include $(sort $(wildcard test/vts/tools/build/tasks/*.mk))
 endif
 
 include $(BUILD_SYSTEM)/product-graph.mk

core/tasks/vts.mk

@@ -1,23 +0,0 @@
-# Copyright (C) 2016 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-test_suite_name := vts
-test_suite_tradefed := vts-tradefed
-test_suite_readme := test/vts/README.md
-
-include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
-
-.PHONY: vts
-vts: $(compatibility_zip)
-$(call dist-for-goals, vts, $(compatibility_zip))