Make static field package-private (#41289)

Author: jeanbisutti

sdk/spring/spring-cloud-azure-starter-monitor-test/src/test/java/com/azure/CustomValidationPolicy.java renamed to sdk/spring/spring-cloud-azure-starter-monitor-test/src/test/java/com/azure/monitor/applicationinsights/spring/CustomValidationPolicy.java

@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
-package com.azure;
+package com.azure.monitor.applicationinsights.spring;
 
 import com.azure.core.http.HttpPipelineCallContext;
 import com.azure.core.http.HttpPipelineNextPolicy;

sdk/spring/spring-cloud-azure-starter-monitor-test/src/test/java/com/azure/SpringMonitorTest.java renamed to sdk/spring/spring-cloud-azure-starter-monitor-test/src/test/java/com/azure/monitor/applicationinsights/spring/SpringMonitorTest.java

@@ -1,12 +1,13 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
-package com.azure;
+package com.azure.monitor.applicationinsights.spring;
 
+import com.azure.Application;
+import com.azure.Controller;
 import com.azure.core.http.HttpClient;
 import com.azure.core.http.HttpPipeline;
 import com.azure.core.http.HttpPipelineBuilder;
 import com.azure.core.http.policy.HttpPipelinePolicy;
-import com.azure.monitor.applicationinsights.spring.OpenTelemetryVersionCheckRunner;
 import com.azure.monitor.applicationinsights.spring.selfdiagnostics.SelfDiagnosticsLevel;
 import com.azure.monitor.opentelemetry.exporter.implementation.models.*;
 import io.opentelemetry.sdk.common.internal.OtelVersion;

sdk/spring/spring-cloud-azure-starter-monitor/src/main/java/com/azure/monitor/applicationinsights/spring/OpenTelemetryVersionCheckRunner.java

@@ -19,7 +19,7 @@ public class OpenTelemetryVersionCheckRunner implements CommandLineRunner {
     /**
      * OpenTelemetry version of the starter
      */
-    public static final String STARTER_OTEL_VERSION = "1.40.0";
+    static final String STARTER_OTEL_VERSION = "1.40.0";
 
     /**
      * To verify the OpenTelemetry version at the application start-up.