Align help resource usage in caption preferences.

* Add string to get the help page intent

Bug: 149887377
Test: manual test
Change-Id: I15b9c4edd260153aa929d68845faed0af16a4ffa

res/values/strings.xml

@@ -7143,6 +7143,8 @@
     <string name="help_url_magnification" translatable="false"></string>
     <string name="help_url_color_correction" translatable="false"></string>
     <string name="help_url_autoclick" translatable="false"></string>
+    <!-- Help URL, Accessibility caption preferences [DO NOT TRANSLATE] -->
+    <string name="help_url_caption" translatable="false"></string>
     <string name="help_url_system_dashboard" translatable="false"></string>
     <string name="help_url_double_tap_screen" translatable="false"></string>
     <string name="help_url_account_detail" translatable="false"></string>

src/com/android/settings/accessibility/CaptionAppearanceFragment.java

@@ -407,6 +407,11 @@ public class CaptionAppearanceFragment extends SettingsPreferenceFragment
         return true;
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_caption;
+    }
+
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider(R.xml.captioning_appearance);
 }

src/com/android/settings/accessibility/CaptionMoreOptionsFragment.java

@@ -83,6 +83,11 @@ public class CaptionMoreOptionsFragment extends SettingsPreferenceFragment
         return true;
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_caption;
+    }
+
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider(R.xml.captioning_more_options);
 }

src/com/android/settings/accessibility/CaptionPropertiesFragment.java

@@ -98,6 +98,11 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
         return true;
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_caption;
+    }
+
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider(R.xml.captioning_settings);
 }