Make setMaxExportBatchSize package private, use SdkMeterProviderUtil

Author: psx95

sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/export/PeriodicMetricReader.java

@@ -269,7 +269,7 @@ public void run() {
             result.whenComplete(
                 () -> {
                   if (!result.isSuccess()) {
-                    logger.log(Level.FINE, "Exporter failed");
+                    logger.log(Level.WARNING, "Exporter failed");
                   }
                   exportAvailable.set(true);
                   flushResult.succeed();

sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/export/PeriodicMetricReaderBuilder.java

@@ -69,7 +69,7 @@ public PeriodicMetricReaderBuilder setExecutor(ScheduledExecutorService executor
    * @param maxExportBatchSize The maximum number of data points to include in a single export
    *     batch.
    */
-  public PeriodicMetricReaderBuilder setMaxExportBatchSize(int maxExportBatchSize) {
+  PeriodicMetricReaderBuilder setMaxExportBatchSize(int maxExportBatchSize) {
     checkArgument(maxExportBatchSize > 0, "maxExportBatchSize must be positive");
     this.metricsBatcher = new MetricExportBatcher(maxExportBatchSize);
     return this;