[cros-launcher-settings] Add settings to hint text

This is following an accessibility and UI review request.

Bug: 1068851
Change-Id: I64d35e3f2254f5a597d2d67a579cc323a7c57ee1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2241363Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Commit-Queue: Jia Meng <jiameng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#777980}

chrome/browser/chromeos/accessibility/spoken_feedback_app_list_browsertest.cc

@@ -226,7 +226,7 @@ IN_PROC_BROWSER_TEST_P(SpokenFeedbackAppListTest, LauncherStateTransition) {
   // Press space on expand arrow to go to fullscreen launcher.
   sm_.Call([this]() { SendKeyPressWithSearch(ui::VKEY_SPACE); });
   sm_.ExpectSpeech(
-      "Search your device, apps, and web."
+      "Search your device, apps, settings, and web."
       " Use the arrow keys to navigate your apps.");
   sm_.ExpectSpeech("Edit text");
   // Check that Launcher, all apps state is announced.
@@ -346,8 +346,8 @@ IN_PROC_BROWSER_TEST_P(SpokenFeedbackAppListTest,
   // Move focus to app list window;
   sm_.Call([this]() { SendKeyPressWithSearch(ui::VKEY_RIGHT); });
   sm_.ExpectSpeech(
-      "Search your device, apps, and web. Use the arrow keys to navigate your "
-      "apps.");
+      "Search your device, apps, settings, and web. Use the arrow keys to "
+      "navigate your apps.");
   // Move focus to search box;
   sm_.ExpectSpeech("Edit text");
   sm_.Replay();
@@ -372,8 +372,8 @@ IN_PROC_BROWSER_TEST_P(SpokenFeedbackAppListTest, NavigateAppLauncher) {
   // Click on the launcher, it brings up the app list UI.
   sm_.Call([this]() { SendKeyPress(ui::VKEY_SPACE); });
   sm_.ExpectSpeech(
-      "Search your device, apps, and web. Use the arrow keys to navigate your "
-      "apps.");
+      "Search your device, apps, settings, and web. Use the arrow keys to "
+      "navigate your apps.");
   sm_.ExpectSpeech("Edit text");
 
   // Close it and open it again.
@@ -387,8 +387,8 @@ IN_PROC_BROWSER_TEST_P(SpokenFeedbackAppListTest, NavigateAppLauncher) {
 
   sm_.Call([this]() { SendKeyPress(ui::VKEY_SPACE); });
   sm_.ExpectSpeech(
-      "Search your device, apps, and web. Use the arrow keys to navigate your "
-      "apps.");
+      "Search your device, apps, settings, and web. Use the arrow keys to "
+      "navigate your apps.");
 
   // Now press the right arrow and we should be focused on an app button
   // in a dialog.

ui/strings/ui_strings.grd

@@ -1006,13 +1006,13 @@ need to be translated for each locale.-->
         <ph name="APP_NAME">$1<ex>Instagram</ex></ph>, App recommendation
       </message>
       <message name="IDS_APP_LIST_SEARCH_BOX_ACCESSIBILITY_NAME_CLAMSHELL" desc="Hint text for the search box in fullscreen app list window with additional instructions to use the arrow keys in Accessibility mode.">
-        Search your device, apps, and web. Use the arrow keys to navigate your apps.
+        Search your device, apps, settings, and web. Use the arrow keys to navigate your apps.
       </message>
       <message name="IDS_APP_LIST_SEARCH_BOX_ACCESSIBILITY_NAME_TABLET" desc="Hint text for the search box in fullscreen app list window. Tablet mode only, so we don't mention the arrow keys.">
-        Search your device, apps, and web.
+        Search your device, apps, settings, and web.
       </message>
       <message name="IDS_APP_LIST_SEARCH_BOX_PLACEHOLDER" desc="Placeholder text for the search box shown in the app list UI.">
-        Search your device, apps, web...
+        Search your device, apps, settings, web...
       </message>
 
       <!-- Strings describing the touch calibration UX -->