Moved JWT call credentials to internal package

Author: Zgoda91

xds/src/main/java/io/grpc/xds/JwtTokenFileCallCredentials.java renamed to xds/src/main/java/io/grpc/xds/internal/JwtTokenFileCallCredentials.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.grpc.xds;
+package io.grpc.xds.internal;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 

xds/src/main/java/io/grpc/xds/internal/JwtTokenFileXdsCredentialsProvider.java

@@ -19,8 +19,8 @@
 import io.grpc.CallCredentials;
 import io.grpc.ChannelCredentials;
 import io.grpc.internal.JsonUtil;
-import io.grpc.xds.JwtTokenFileCallCredentials;
 import io.grpc.xds.XdsCredentialsProvider;
+import io.grpc.xds.internal.JwtTokenFileCallCredentials;
 import java.io.File;
 import java.util.Map;
 

xds/src/test/java/io/grpc/xds/SharedXdsClientPoolProviderTest.java

@@ -40,8 +40,6 @@
 import io.grpc.ServerInterceptor;
 import io.grpc.auth.MoreCallCredentials;
 import io.grpc.internal.ObjectPool;
-import io.grpc.xds.JwtTokenFileCallCredentials;
-import io.grpc.xds.JwtTokenFileTestUtils;
 import io.grpc.xds.SharedXdsClientPoolProvider.RefCountedXdsClientObjectPool;
 import io.grpc.xds.XdsListenerResource.LdsUpdate;
 import io.grpc.xds.client.Bootstrapper.BootstrapInfo;
@@ -50,6 +48,8 @@
 import io.grpc.xds.client.XdsClient;
 import io.grpc.xds.client.XdsClient.ResourceWatcher;
 import io.grpc.xds.client.XdsInitializationException;
+import io.grpc.xds.internal.JwtTokenFileCallCredentials;
+import io.grpc.xds.internal.JwtTokenFileTestUtils;
 import java.io.File;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;

xds/src/test/java/io/grpc/xds/JwtTokenFileCallCredentialsTest.java renamed to xds/src/test/java/io/grpc/xds/internal/JwtTokenFileCallCredentialsTest.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.grpc.xds;
+package io.grpc.xds.internal;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThrows;

xds/src/test/java/io/grpc/xds/JwtTokenFileTestUtils.java renamed to xds/src/test/java/io/grpc/xds/internal/JwtTokenFileTestUtils.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.grpc.xds;
+package io.grpc.xds.internal;
 
 import com.google.common.io.BaseEncoding;
 import java.io.File;