add build.gn

Signed-off-by: Njiyong <jiyong@huawei.com>

ace/BUILD.gn

-# Copyright (C) 2021 Huawei Device Co., Ltd.
-# 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
+# Copyright (C) 2021 Huawei Device Co., Ltd.
+# 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.
-
-group("ace") {
-  testonly = true
-  deps = [
-    "ace_ets_component:AceEtsComponentTest",
-    "ace_ets_standard:ActsAceEtsStTest",
-    "ace_ets_test:ActsAceEtsTest",
-    "ace_ets_third_test:ActsAceEtsThirdTest",
-    "ace_standard:ace_standard_test",
-    "ace_ets_component:AceEtsComponentTest",
-  ]
-}
+
+group("ace") {
+  testonly = true
+  deps = [
+    "ace_ets_component:AceEtsComponentTest",
+    "ace_ets_component:AceEtsComponentTest",
+    "ace_ets_standard:ActsAceEtsStTest",
+    "ace_ets_test:ActsAceEtsTest",
+    "ace_ets_third_test:ActsAceEtsThirdTest",
+    "ace_standard:ace_standard_test",
+  ]
+}