am dbc7e27e: docs: document the \'showSearchIconAsBadge" flag and "icon" attribute as deprecated. bug 2105329

Merge commit 'dbc7e27ef10349f11ac940d59ff4f812319fce51' into eclair

* commit 'dbc7e27ef10349f11ac940d59ff4f812319fce51':
  docs: document the 'showSearchIconAsBadge" flag and