soong: Add support for namespace imports

src/build/soong.ts

@@ -94,8 +94,11 @@ export type SoongModuleSpecific = {
 )
 
 export type SoongModule = {
-  name: string
-  owner: string
+  // TODO: make these more strict while accommodating SoongNamespace
+  name?: string
+  owner?: string
+
+  // Partition keys
   system_ext_specific?: boolean
   product_specific?: boolean
   soc_specific?: boolean
@@ -303,7 +306,10 @@ export function serializeBlueprint(bp: SoongBlueprint) {
   let serializedModules = []
 
   // Declare namespace
-  
+  serializedModules.push(serializeModule({
+    _type: 'soong_namespace',
+    imports: bp.imports,
+  }))
 
   for (let module of bp.modules) {
     let serialized = serializeModule(module)
@@ -312,10 +318,6 @@ export function serializeBlueprint(bp: SoongBlueprint) {
 
   return `// Generated by adevtool; do not edit
 
-soong_namespace {
-  imports: []
-}
-
 ${serializedModules.join('\n\n')}
 `
 }