AAPT2: Add Inline Complex XML support

See: https://developer.android.com/guide/topics/resources/complex-xml-resources.html

Change-Id: I8274c85e25cabf90423141c228697e873167d136
diff --git a/tools/aapt2/ResourceTable.cpp b/tools/aapt2/ResourceTable.cpp
index 21d2f64..bdc6a8c 100644
--- a/tools/aapt2/ResourceTable.cpp
+++ b/tools/aapt2/ResourceTable.cpp
@@ -327,7 +327,7 @@
     fileRef->setSource(source);
     fileRef->file = file;
     return addResourceImpl(name, ResourceId{}, config, StringPiece{}, std::move(fileRef),
-                           kValidNameChars, resolveValueCollision, diag);
+                           validChars, resolveValueCollision, diag);
 }
 
 bool ResourceTable::addResourceAllowMangled(const ResourceNameRef& name,