Revert^2 "Set output for build_prop even on Soong only build"

13c6231218

Change-Id: Ief5fd04e4ddb2fa884b16946b5b8baecc9da03ae

android/build_prop.go

@@ -60,6 +60,7 @@ func (p *buildPropModule) GenerateAndroidBuildActions(ctx ModuleContext) {
 	p.outputFilePath = PathForModuleOut(ctx, "build.prop").OutputPath
 	if !ctx.Config().KatiEnabled() {
 		WriteFileRule(ctx, p.outputFilePath, "# no build.prop if kati is disabled")
+		ctx.SetOutputFiles(Paths{p.outputFilePath}, "")
 		return
 	}