Create an artifact to include TEST_MAPPING files in source code

Bug: 69678490
Test: m dist -j test_mapping
Change-Id: I6436fdbb5c92ad840d166f42b9262eccdcdeb715

core/tasks/test_mapping.mk

@@ -0,0 +1,34 @@
+# Copyright (C) 2017 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.
+
+# Create an artifact to include TEST_MAPPING files in source tree.
+
+.PHONY: test_mapping
+
+intermediates := $(call intermediates-dir-for,PACKAGING,test_mapping)
+test_mappings_zip := $(intermediates)/test_mappings.zip
+test_mapping_list := $(OUT_DIR)/.module_paths/TEST_MAPPING.list
+test_mappings := $(file <$(test_mapping_list))
+$(test_mappings_zip) : PRIVATE_test_mappings := $(subst $(newline),\n,$(test_mappings))
+
+$(test_mappings_zip) : $(test_mappings) $(SOONG_ZIP)
+	@echo "Building artifact to include TEST_MAPPING files."
+	rm -rf $@
+	echo -e "$(PRIVATE_test_mappings)" > $@.list
+	$(SOONG_ZIP) -o $@ -C . -l $@.list
+	rm -f $@.list
+
+test_mapping : $(test_mappings_zip)
+
+$(call dist-for-goals, dist_files test_mapping,$(test_mappings_zip))