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/tests/performance/benchmarks/trace/propagation/test_benchmark_aws_xray_format.py

@@ -0,0 +1,34 @@
+# 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.
+
+from requests.structures import CaseInsensitiveDict
+
+from opentelemetry.propagators.aws import TRACE_HEADER_KEY, AwsXRayFormat
+
+XRAY_PROPAGATOR = AwsXRayFormat()
+
+
+def test_extract_single_header(benchmark):
+    benchmark(
+        XRAY_PROPAGATOR.extract,
+        {
+            TRACE_HEADER_KEY: "bdb5b63237ed38aea578af665aa5aa60-00000000000000000c32d953d73ad225"
+        },
+    )
+
+
+def test_inject_empty_context(benchmark):
+    benchmark(
+        XRAY_PROPAGATOR.inject, {}, setter=CaseInsensitiveDict.__setitem__
+    )