Add secondary text to mobile data tile.

- Update data content description for the mobile data tile to include no
internet connectivity
- Update strings for telephony icons to show that they are no longer
only used for accessibility purposes

Bug: 74192657
Test: runtest systemui
Change-Id: I95f36e871dedfc9caea53326e8ee198f141fb8a8
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
index 2819624..b4c3eca 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
@@ -84,8 +84,7 @@
         boolean ssidPresent = wifiVisible && mCurrentState.ssid != null;
         String contentDescription = getStringIfExists(getContentDescription());
         if (mCurrentState.inetCondition == 0) {
-            contentDescription +=
-                    ("," + mContext.getString(R.string.accessibility_quick_settings_no_internet));
+            contentDescription += ("," + mContext.getString(R.string.data_connection_no_internet));
         }
 
         IconState statusIcon = new IconState(wifiVisible, getCurrentIconId(), contentDescription);