Put the analytics UI behind a flag.

pkg/analyzer_cli/lib/src/options.dart

Index: pkg/analyzer_cli/lib/src/options.dart
diff --git a/pkg/analyzer_cli/lib/src/options.dart b/pkg/analyzer_cli/lib/src/options.dart
index fdf70f550b99e4684194f437e071a629fc9c5256..cf9e6f2a4dee5fca6f522af0cb33b10148882986 100644
--- a/pkg/analyzer_cli/lib/src/options.dart
+++ b/pkg/analyzer_cli/lib/src/options.dart
@@ -349,8 +349,6 @@ class CommandLineOptions {
           help: 'Treat non-type warnings as fatal.',
           defaultsTo: false,
           negatable: false)
-      ..addFlag('analytics',
-          help: 'Enable or disable sending analytics information to Google.')
       ..addFlag('help',
           abbr: 'h',
           help:
@@ -363,6 +361,11 @@ class CommandLineOptions {
           help: 'Verbose output.',
           negatable: false);
 
+    if (telemetry.SHOW_ANALYTICS_UI) {
+      parser.addFlag('analytics',
+          help: 'Enable or disable sending analytics information to Google.');
+    }
+
     // Build mode options.
     if (!hide) {
       parser.addSeparator('Build mode flags:');
@@ -534,12 +537,14 @@ class CommandLineOptions {
       }
 
       // Enable / disable analytics.
-      if (results.wasParsed('analytics')) {
-        analytics.enabled = results['analytics'];
-        outSink
-            .writeln(telemetry.createAnalyticsStatusMessage(analytics.enabled));
-        exitHandler(0);
-        return null; // Only reachable in testing.
+      if (telemetry.SHOW_ANALYTICS_UI) {
+        if (results.wasParsed('analytics')) {
+          analytics.enabled = results['analytics'];
+          outSink.writeln(
+              telemetry.createAnalyticsStatusMessage(analytics.enabled));
+          exitHandler(0);
+          return null; // Only reachable in testing.
+        }
       }
 
       // Batch mode and input files.
@@ -581,6 +586,10 @@ class CommandLineOptions {
   static _showUsage(ArgParser parser, telemetry.Analytics analytics,
       {bool fromHelp: false}) {
     void printAnalyticsInfo() {
+      if (!telemetry.SHOW_ANALYTICS_UI) {
+        return;
+      }
+
       if (fromHelp) {
         errorSink.writeln('');
         errorSink.writeln(telemetry.analyticsNotice);