Propagate aconfig providers for more modules.

Bug: 308625757
Test: manual
Change-Id: Iaf6d45a4259f1c6c34476c34c431344283ae2830

genrule/genrule.go

@@ -184,6 +184,9 @@ type Module struct {
 
 	subName string
 	subDir  string
+
+	// Aconfig files for all transitive deps.  Also exposed via TransitiveDeclarationsInfo
+	mergedAconfigFiles map[string]android.Paths
 }
 
 type taskFunc func(ctx android.ModuleContext, rawCommand string, srcFiles android.Paths) []generateTask
@@ -610,6 +613,24 @@ func (g *Module) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 		})
 		g.outputDeps = android.Paths{phonyFile}
 	}
+	android.CollectDependencyAconfigFiles(ctx, &g.mergedAconfigFiles)
+}
+
+func (g *Module) AndroidMkEntries() []android.AndroidMkEntries {
+	ret := android.AndroidMkEntries{
+		OutputFile: android.OptionalPathForPath(g.outputFiles[0]),
+		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
+			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
+				android.SetAconfigFileMkEntries(g.AndroidModuleBase(), entries, g.mergedAconfigFiles)
+			},
+		},
+	}
+
+	return []android.AndroidMkEntries{ret}
+}
+
+func (g *Module) AndroidModuleBase() *android.ModuleBase {
+	return &g.ModuleBase
 }
 
 // Collect information for opening IDE project files in java/jdeps.go.