chore: move readme changes on stackdriver examples (#617)

Author: mutianf

.readme-partials.yml

@@ -115,7 +115,7 @@ custom_content: |
 
   TIP: If you are experiencing version conflicts with gRPC, see [Version Conflicts](#version-conflicts).
 
-  ## OpenCensus Tracing
+  ## Client request tracing: OpenCensus Tracing
 
   Cloud Bigtable client supports [OpenCensus Tracing](https://opencensus.io/tracing/),
   which gives insight into the client internals and aids in debugging production issues.
@@ -171,6 +171,9 @@ custom_content: |
         .build());
   ```
 
+  You can view the traces on the Google Cloud Platform Console
+  [Trace](https://console.cloud.google.com/traces) page.
+
   By default traces are [sampled](https://opencensus.io/tracing/sampling) at a rate of about 1/10,000.
   You can configure a higher rate by updating the active tracing params:
 
@@ -185,7 +188,7 @@ custom_content: |
   );
   ```
 
-  ## OpenCensus Stats
+  ## Enabling Cloud Bigtable Metrics: OpenCensus Stats
 
   Cloud Bigtable client supports [Opencensus Metrics](https://opencensus.io/stats/),
   which gives insight into the client internals and aids in debugging production issues.
@@ -288,6 +291,34 @@ custom_content: |
   BigtableDataSettings.enableGfeOpenCensusStats();
   ```
 
+  You can view the metrics on the Google Cloud Platform Console
+  [Metrics explorer](https://console.cloud.google.com/monitoring/metrics-explorer)
+  page.
+
+  You can configure how frequently metrics are pushed to StackDriver and the
+  [Monitored resource type](https://cloud.google.com/monitoring/api/resources) by
+  updating `StackdriverStatsConfiguration`:
+
+  ``` java
+  // Example: configuring export interval and monitored resource type
+  StackdriverStatsExporter.createAndRegister(
+      StackdriverStatsConfiguration.builder()
+          .setProjectId("YOUR_PROJECT_ID")
+          // Exporting metrics every 10 seconds
+          .setExportInterval(Duration.create(10, 0))
+          // Configure monitored resource type. A common practice is to use the
+          // monitored resource objects that represent the physical resources
+          // where your application code is running. See the full list of
+          // monitored resource type here:
+          // https://cloud.google.com/monitoring/api/resources
+          .setMonitoredResource(MonitoredResource.newBuilder()
+              .setType("global")
+              .putLabels("project_id", "YOUR_PROJECT_ID")
+            .build())
+          .build()
+  );
+  ```
+
   ## Version Conflicts
 
   google-cloud-bigtable depends on gRPC directly which may conflict with the versions brought