Fix errors in Integration test for End to End tracing

Author: manu2

google-cloud-spanner/pom.xml

@@ -468,8 +468,8 @@
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>com.google.cloud</groupId>
-      <artifactId>google-cloud-trace</artifactId>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>proto-google-cloud-trace-v1</artifactId>
       <version>2.51.0</version>
       <scope>test</scope>
     </dependency>

google-cloud-spanner/src/test/java/com/google/cloud/spanner/it/ITEndToEndTracingTest.java

@@ -89,8 +89,7 @@ public void initSelectValueQuery() {
     selectValueQuery = "SELECT @p1 + @p1 ";
   }
 
-  private void assertTrace(String traceId)
-      throws IOException, InterruptedException {
+  private void assertTrace(String traceId) throws IOException, InterruptedException {
     TraceServiceSettings settings =
         env.getTestHelper().getOptions().getCredentials() == null
             ? TraceServiceSettings.newBuilder().build()