Update documentation to clarify that R.id.* is optimized with aapt2
@@ -628,7 +628,7 @@ public final class AndroidRuleClasses {
<li>resources in <code>values/</code> will be removed as well as file based
resources</li>
<li>uses <code>strict mode</code> by default</li>
- <li>removing unused ID resources is not supported</li>
+ <li>removing unused ID resources is only supported with aapt2</li>
</ul>
If resource shrinking is enabled, <code><var>name</var>_files/resource_shrinker.log</code>
will also be generated, detailing the analysis and deletions performed.
