Add operator overload to check for equality

Author: psx95

sdk/include/opentelemetry/sdk/trace/tracer_config.h

@@ -28,6 +28,7 @@ class TracerConfig
    * @return a boolean indicating if the Tracer is enabled. Defaults to true.
    */
   bool IsEnabled() const noexcept;
+  bool operator==(const TracerConfig& other) const noexcept;
 
   static TracerConfig Disabled();
   static TracerConfig Enabled();

sdk/src/trace/tracer_config.cc

@@ -40,6 +40,12 @@ bool TracerConfig::IsEnabled() const noexcept
 {
   return !disabled_;
 }
+
+bool TracerConfig::operator==(const TracerConfig &other) const noexcept
+{
+  return disabled_ == other.disabled_;
+}
+
 }  // namespace trace
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE