Style fixes.

Author: kannanjgithub

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

@@ -55,10 +55,10 @@
 import io.grpc.Status.Code;
 import io.grpc.SynchronizationContext;
 import io.grpc.internal.FakeClock;
-import io.grpc.internal.XdsCommonAttributes;
 import io.grpc.internal.ObjectPool;
 import io.grpc.internal.PickFirstLoadBalancerProvider;
 import io.grpc.internal.PickSubchannelArgsImpl;
+import io.grpc.internal.XdsCommonAttributes;
 import io.grpc.protobuf.ProtoUtils;
 import io.grpc.testing.TestMethodDescriptors;
 import io.grpc.util.GracefulSwitchLoadBalancer;

xds/src/test/java/io/grpc/xds/internal/security/SecurityProtocolNegotiatorsTest.java

@@ -39,8 +39,8 @@
 import io.grpc.ChannelLogger;
 import io.grpc.ChannelLogger.ChannelLogLevel;
 import io.grpc.internal.FakeClock;
-import io.grpc.internal.XdsCommonAttributes;
 import io.grpc.internal.TestUtils.NoopChannelLogger;
+import io.grpc.internal.XdsCommonAttributes;
 import io.grpc.netty.GrpcHttp2ConnectionHandler;
 import io.grpc.netty.InternalProtocolNegotiationEvent;
 import io.grpc.netty.InternalProtocolNegotiator.ProtocolNegotiator;