Update README.md

Co-authored-by: Knut Olav Løite <[email protected]>

Author: surbhigarg92

README.md

@@ -216,8 +216,9 @@ If you are using Maven, add this to your pom.xml file
 ```
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'io.opencensus:opencensus-impl:0.30.0'
-compile 'io.opencensus:opencensus-exporter-stats-stackdriver:0.30.0'
+compile 'io.opentelemetry:opentelemetry-sdk:{opentelemetry.version}'
+compile 'io.opentelemetry:opentelemetry-sdk-metrics:{opentelemetry.version}'
+compile 'io.opentelemetry:opentelemetry-exporter-oltp:{opentelemetry.version}'
 ```
 
 By default, the functionality is disabled. You need to enable OpenTelemetry metrics and must configure the OpenTelemetry with appropriate exporters at the startup of your application:

google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java

@@ -1388,12 +1388,12 @@ public static void enableOpenCensusTraces() {
     }
   }
 
-  @ObsoleteApi(
-      "The OpenCensus project is deprecated. Use enableOpenTelemetryTraces to switch to OpenTelemetry traces")
   /**
    * Always resets the activeTracingFramework. This variable is used for internal testing, and is
    * not a valid production scenario
    */
+  @ObsoleteApi(
+      "The OpenCensus project is deprecated. Use enableOpenTelemetryTraces to switch to OpenTelemetry traces")
   static void resetActiveTracingFramework() {
     activeTracingFramework = null;
   }

google-cloud-spanner/src/test/java/com/google/cloud/spanner/SessionPoolTest.java

@@ -1868,7 +1868,7 @@ public void testOpenCensusMetricsDisable() {
             .setInitialWaitForSessionTimeoutMillis(50L)
             .build();
     FakeClock clock = new FakeClock();
-    clock.currentTimeMillis = System.currentTimeMillis();
+    clock.currentTimeMillis.set(System.currentTimeMillis());
     FakeMetricRegistry metricRegistry = new FakeMetricRegistry();
     List<LabelValue> labelValues =
         Arrays.asList(
@@ -1902,7 +1902,7 @@ public void testOpenTelemetrySessionMetrics() throws Exception {
               .setInitialWaitForSessionTimeoutMillis(50L)
               .build();
       FakeClock clock = new FakeClock();
-      clock.currentTimeMillis = System.currentTimeMillis();
+      clock.currentTimeMillis.set(System.currentTimeMillis());
 
       InMemoryMetricReader inMemoryMetricReader = InMemoryMetricReader.create();
       SdkMeterProvider sdkMeterProvider =