Apply suggestions from code review

Co-authored-by: Mike Goldsmith <goldsmith.mike@gmail.com>

Author: dshivashankar1994

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/measurement_consumer.py

@@ -83,7 +83,7 @@ def __init__(
 
     def _at_fork_reinit(self):
         """Reinitialize lock in child process after fork"""
-        self._lock._at_fork_reinit()
+        self._lock = Lock()
         # Lazy reinitialization of storages on first use post fork. This is
         # done to avoid the overhead of reinitializing the storages on
         # every fork.

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/metric_reader_storage.py

@@ -77,7 +77,7 @@ def __init__(
 
     def _at_fork_reinit(self) -> None:
         """Reinitialize locks and clear state in the child process after fork."""
-        self._lock._at_fork_reinit()
+        self._lock = Lock()
         self._instrument_view_instrument_matches.clear()
 
     def _get_or_init_view_instrument_match(

opentelemetry-sdk/tests/metrics/test_measurement_consumer.py

@@ -28,7 +28,7 @@
 
 
 def _sdk_config(exemplar_filter=None, resource=None, metric_readers=None, views=None):
-    """Create SdkConfiguration for tests. exemplar_filter is set as attribute after init."""
+    """Create SdkConfiguration for tests."""
     config = SdkConfiguration(
         resource=resource or Mock(),
         metric_readers=metric_readers or [Mock()],