Change module type text to HTML in build docs.

To add code format (<pre>...</pre>) support to module type texts.

Fixes: 124332708
Test: m soong_docs
Change-Id: Ibe9d3845a8f952fdef5007893d4af5836809ce1f

cmd/soong_build/writedocs.go

@@ -34,7 +34,7 @@ type perPackageTemplateData struct {
 
 type moduleTypeTemplateData struct {
 	Name       string
-	Synopsis   string
+	Synopsis   template.HTML
 	Properties []bpdoc.Property
 }