cleanup and removing system.getenv call

Author: mhlidd

components/environment/src/generator/resources/test-supported-configurations.json

@@ -16,6 +16,7 @@
 import com.amazonaws.services.lambda.runtime.Context;
 import com.amazonaws.services.lambda.runtime.RequestHandler;
 import com.google.auto.service.AutoService;
+import datadog.environment.ConfigHelper;
 import datadog.environment.EnvironmentVariables;
 import datadog.trace.agent.tooling.Instrumenter;
 import datadog.trace.agent.tooling.InstrumenterModule;
@@ -61,7 +62,8 @@ public String[] helperClassNames() {
 
   @Override
   protected boolean defaultEnabled() {
-    return EnvironmentVariables.get(HANDLER_ENV_NAME) != null;
+    final String handler = ConfigHelper.getEnvironmentVariable(HANDLER_ENV_NAME);
+    return null != handler;
   }
 
   @Override

dd-java-agent/instrumentation/aws-lambda-handler/src/main/java/datadog/trace/instrumentation/aws/v1/lambda/LambdaHandlerInstrumentation.java

@@ -38,7 +38,7 @@ public final class TracerConfig {
       "trace.experimental.features.enabled";
 
   public static final String SPAN_TAGS = "trace.span.tags";
-  public static final String TRACE_ANALYTICS_ENABLED = "trace.1analytics.enabled";
+  public static final String TRACE_ANALYTICS_ENABLED = "trace.analytics.enabled";
 
   @Deprecated
   public static final String TRACE_SAMPLING_SERVICE_RULES = "trace.sampling.service.rules";