Move AWS X-Ray Propagator into its own package (#720)

Co-authored-by: Owais Lone <owais@users.noreply.github.com>
Co-authored-by: Diego Hurtado <ocelotl@users.noreply.github.com>

propagator/opentelemetry-propagator-aws-xray/setup.py

@@ -0,0 +1,26 @@
+# Copyright The OpenTelemetry Authors
+#
+# 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.
+import os
+
+import setuptools
+
+BASE_DIR = os.path.dirname(__file__)
+VERSION_FILENAME = os.path.join(
+    BASE_DIR, "src", "opentelemetry", "propagators", "aws", "version.py"
+)
+PACKAGE_INFO = {}
+with open(VERSION_FILENAME, encoding="utf-8") as f:
+    exec(f.read(), PACKAGE_INFO)
+
+setuptools.setup(version=PACKAGE_INFO["__version__"])