Include XmlDom.h for xml::XmlResource

The ~InlineXmlFormatParser method needs the complete class type so it
can destruct the queue_ field.

Fixes a build failure that happens after upgrading libc++.

Bug: b/175635923
Test: treehugger
Change-Id: I9f8e0c3535f6f015b322e12bdc8484b1b5dda09c
diff --git a/tools/aapt2/compile/InlineXmlFormatParser.h b/tools/aapt2/compile/InlineXmlFormatParser.h
index 4300023..3a5161b 100644
--- a/tools/aapt2/compile/InlineXmlFormatParser.h
+++ b/tools/aapt2/compile/InlineXmlFormatParser.h
@@ -21,8 +21,8 @@
 #include <vector>
 
 #include "android-base/macros.h"
-
 #include "process/IResourceTableConsumer.h"
+#include "xml/XmlDom.h"
 
 namespace aapt {