Add managed identity client id config in DAC

sdk/identity/azure-identity/src/main/java/com/azure/identity/DefaultAzureCredentialBuilder.java

@@ -4,6 +4,7 @@
 package com.azure.identity;
 
 import com.azure.core.credential.TokenCredential;
+import com.azure.core.util.Configuration;
 import com.azure.core.util.CoreUtils;
 import com.azure.core.util.logging.ClientLogger;
 
@@ -21,9 +22,18 @@ public class DefaultAzureCredentialBuilder extends CredentialBuilderBase<Default
     private String managedIdentityClientId;
     private final ClientLogger logger = new ClientLogger(DefaultAzureCredentialBuilder.class);
 
+    /**
+     * Creates an instance of a DefaultAzureCredentialBuilder.
+     */
+    public DefaultAzureCredentialBuilder() {
+        Configuration configuration = Configuration.getGlobalConfiguration().clone();
+        tenantId = configuration.get(Configuration.PROPERTY_AZURE_TENANT_ID);
+        managedIdentityClientId = configuration.get(Configuration.PROPERTY_AZURE_CLIENT_ID);
+    }
 
     /**
-     * Sets the tenant id of the user to authenticate through the {@link DefaultAzureCredential}. The default is null
+     * Sets the tenant id of the user to authenticate through the {@link DefaultAzureCredential}. If unset, the value
+     * in the AZURE_TENANT_ID environment variable will be used. If neither is set, the default is null
      * and will authenticate users to their default tenant.
      *
      * @param tenantId the tenant ID to set.
@@ -70,7 +80,9 @@ public DefaultAzureCredentialBuilder intelliJKeePassDatabasePath(String database
 
     /**
      * Specifies the client ID of user assigned or system assigned identity, when this credential is running
-     * in an environment with managed identities.
+     * in an environment with managed identities. If unset, the value in the AZURE_CLIENT_ID environment variable
+     * will be used. If neither is set, the default value is null and will only work with system assigned
+     * managed identities and not user assigned managed identities.
      *
      * @param clientId the client ID
      * @return the DefaultAzureCredentialBuilder itself
@@ -115,7 +127,7 @@ private ArrayList<TokenCredential> getCredentialsChain() {
         output.add(new EnvironmentCredential(identityClientOptions));
         output.add(new ManagedIdentityCredential(managedIdentityClientId, identityClientOptions));
         output.add(new SharedTokenCacheCredential(null, "04b07795-8ddb-461a-bbee-02f9e1bf7b46",
-            null, identityClientOptions));
+            tenantId, identityClientOptions));
         output.add(new IntelliJCredential(tenantId, identityClientOptions));
         output.add(new VisualStudioCodeCredential(tenantId, identityClientOptions));
         output.add(new AzureCliCredential(identityClientOptions));