[Hotword] Reverse the experimental flag so that it is on by default.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1874 matching lines @@
   {
     "enable-data-reduction-proxy-alt",
     IDS_FLAGS_ENABLE_DATA_REDUCTION_PROXY_ALTERNATIVE_NAME,
     IDS_FLAGS_ENABLE_DATA_REDUCTION_PROXY_ALTERNATIVE_DESCRIPTION,
     kOsAndroid,
     SINGLE_VALUE_TYPE(
         data_reduction_proxy::switches::kEnableDataReductionProxyAlt)
   },
 #endif
   {
-    "enable-experimental-hotwording",
-    IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORDING_NAME,
-    IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORDING_DESCRIPTION,
+    "disable-experimental-hotwording",
+    IDS_FLAGS_DISABLE_EXPERIMENTAL_HOTWORDING_NAME,
+    IDS_FLAGS_DISABLE_EXPERIMENTAL_HOTWORDING_DESCRIPTION,
     kOsDesktop,
-    SINGLE_VALUE_TYPE(switches::kEnableExperimentalHotwording)
+    SINGLE_VALUE_TYPE(switches::kDisableExperimentalHotwording)
   },
   {
     "enable-hotword-hardware",
     IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORD_HARDWARE_NAME,
     IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORD_HARDWARE_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kEnableExperimentalHotwordHardware)
   },
 #if defined(ENABLE_EXTENSIONS)
   {
@@ skipping 712 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags