fix visibility

Author: zeitlinger

azure-resources/src/main/java/io/opentelemetry/contrib/azure/resource/AzureAksResourceProvider.java

@@ -48,8 +48,7 @@ public AzureAksResourceProvider() {
   }
 
   // visible for testing
-  public AzureAksResourceProvider(
-      Supplier<Optional<String>> client, Map<String, String> environment) {
+  AzureAksResourceProvider(Supplier<Optional<String>> client, Map<String, String> environment) {
     this.client = client;
     this.environment = environment;
   }

azure-resources/src/main/java/io/opentelemetry/contrib/azure/resource/AzureVmResourceProvider.java

@@ -76,7 +76,7 @@ public AzureVmResourceProvider() {
   }
 
   // visible for testing
-  public AzureVmResourceProvider(Supplier<Optional<String>> client) {
+  AzureVmResourceProvider(Supplier<Optional<String>> client) {
     this.client = client;
   }