formatting fixes

Author: kinsaurralde

google-cloud-spanner/src/test/java/com/google/cloud/spanner/spi/v1/GapicSpannerRpcTest.java

@@ -41,10 +41,10 @@
 import com.google.auth.oauth2.OAuth2Credentials;
 import com.google.cloud.NoCredentials;
 import com.google.cloud.ServiceOptions;
-import com.google.cloud.grpc.fallback.GcpFallbackChannelOptions;
-import com.google.cloud.grpc.fallback.GcpFallbackOpenTelemetry;
 import com.google.cloud.grpc.GcpManagedChannelOptions;
 import com.google.cloud.grpc.GcpManagedChannelOptions.GcpMetricsOptions;
+import com.google.cloud.grpc.fallback.GcpFallbackChannelOptions;
+import com.google.cloud.grpc.fallback.GcpFallbackOpenTelemetry;
 import com.google.cloud.spanner.DatabaseClient;
 import com.google.cloud.spanner.DatabaseId;
 import com.google.cloud.spanner.Dialect;