initial add sts to build

Test: Local build with other CLs in topic

Bug: 67456333
Change-Id: Ieea499fc22b6dff87dfb19fb8b9446fa449152ea
(cherry picked from commit a4560bb0cb)

core/main.mk

@@ -78,6 +78,8 @@ endif
 -include tools/tradefederation/build/suites/device-tests/config.mk
 # general-tests-specific-config.
 -include tools/tradefederation/build/suites/general-tests/config.mk
+# STS-specific config.
+-include test/sts/tools/sts-tradefed/build/config.mk
 
 # This allows us to force a clean build - included after the config.mk
 # environment setup is done, but before we generate any dependencies.  This

core/tasks/sts.mk

@@ -0,0 +1,23 @@
+# 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 := sts
+test_suite_tradefed := sts-tradefed
+test_suite_readme := test/sts/README.md
+
+include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
+
+.PHONY: sts
+sts: $(compatibility_zip)
+$(call dist-for-goals, sts, $(compatibility_zip))