Set content descriptions for bottom nav badges

Doesn't seem to produce #6708, but at least it'll be used by screen readers?

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -382,7 +382,10 @@ class MainActivity : BaseActivity() {
     private fun setUnreadUpdatesBadge() {
         val updates = if (preferences.showUpdatesNavBadge().get()) preferences.unreadUpdatesCount().get() else 0
         if (updates > 0) {
-            nav.getOrCreateBadge(R.id.nav_updates).number = updates
+            nav.getOrCreateBadge(R.id.nav_updates).apply {
+                number = updates
+                setContentDescriptionQuantityStringsResource(R.plurals.notification_chapters_generic)
+            }
         } else {
             nav.removeBadge(R.id.nav_updates)
         }
@@ -391,7 +394,10 @@ class MainActivity : BaseActivity() {
     private fun setExtensionsBadge() {
         val updates = preferences.extensionUpdatesCount().get()
         if (updates > 0) {
-            nav.getOrCreateBadge(R.id.nav_browse).number = updates
+            nav.getOrCreateBadge(R.id.nav_browse).apply {
+                number = updates
+                setContentDescriptionQuantityStringsResource(R.plurals.update_check_notification_ext_updates)
+            }
         } else {
             nav.removeBadge(R.id.nav_browse)
         }