VolumeZen: Sound & Notifications settings.

- Add sound settings under the newly combined Sound & Notifications
  top-level settings page.
- New slider preferences for setting audio stream volumes.
- Migrate checkbox prefs to switch prefs.
- New settings subpage for touch sounds.
- New settings subpage for "Showing notifications"
- New setting pref for displaying intercepted notifications in zen mode.
- New tri-state lockscreen notifications pref.
- Add priority + sensitivity options to app notification dialog.
- Remove badges on app notifications row, migrate to subtitle text.
- Migrate strings to common spot in strings.xml
- Remove heads up setting.
- Remove tweaks category (unused).
- Clean up notification settings, separate out into a code section per option.
- Clean up _settings.xml files, prefix each pref with option name.
- Add appropriate indexing data to each settings page.

Depends on f/b change Ic30aa575ae07650cee62c8c1d83b6bc69395cf0d

Change-Id: If700385a7d0057f6c4c4bcf6e648dcf88b8ebff2

src/com/android/settings/search/SearchIndexableResources.java

@@ -36,7 +36,10 @@ import com.android.settings.deviceinfo.Memory;
 import com.android.settings.fuelgauge.PowerUsageSummary;
 import com.android.settings.inputmethod.InputMethodAndLanguageSettings;
 import com.android.settings.location.LocationSettings;
+import com.android.settings.notification.AppNotificationSettings;
+import com.android.settings.notification.NotificationDisplaySettings;
 import com.android.settings.notification.NotificationSettings;
+import com.android.settings.notification.TouchSoundSettings;
 import com.android.settings.notification.ZenModeSettings;
 import com.android.settings.print.PrintSettingsFragment;
 import com.android.settings.users.UserSettings;
@@ -137,12 +140,30 @@ public final class SearchIndexableResources {
                         NotificationSettings.class.getName(),
                         R.drawable.ic_settings_notifications));
 
+        sResMap.put(NotificationDisplaySettings.class.getName(),
+                new SearchIndexableResource(RANK_NOTIFICATIONS,
+                        R.xml.notification_display_settings,
+                        NotificationDisplaySettings.class.getName(),
+                        R.drawable.ic_settings_notifications));
+
+        sResMap.put(TouchSoundSettings.class.getName(),
+                new SearchIndexableResource(RANK_NOTIFICATIONS,
+                        R.xml.touch_sound_settings,
+                        TouchSoundSettings.class.getName(),
+                        R.drawable.ic_settings_notifications));
+
         sResMap.put(ZenModeSettings.class.getName(),
                 new SearchIndexableResource(RANK_NOTIFICATIONS,
                         NO_DATA_RES_ID,
                         ZenModeSettings.class.getName(),
                         R.drawable.ic_settings_notifications));
 
+        sResMap.put(AppNotificationSettings.class.getName(),
+                new SearchIndexableResource(RANK_NOTIFICATIONS,
+                        NO_DATA_RES_ID,
+                        AppNotificationSettings.class.getName(),
+                        R.drawable.ic_settings_notifications));
+
         sResMap.put(Memory.class.getName(),
                 new SearchIndexableResource(RANK_MEMORY,
                         NO_DATA_RES_ID,