Merge "Optimize buildPropFile()" into main

}

func (f *filesystem) buildPropFile(ctx android.ModuleContext) (propFile android.OutputPath, toolDeps android.Paths) {

	type prop struct {

		name  string

		value string

	}

	var props []prop

	var deps android.Paths

	var propFileString strings.Builder

	addStr := func(name string, value string) {

		props = append(props, prop{name, value})

		propFileString.WriteString(name)

		propFileString.WriteRune('=')

		propFileString.WriteString(value)

		propFileString.WriteRune('\n')

	}

	addPath := func(name string, path android.Path) {

		props = append(props, prop{name, path.String()})

		addStr(name, path.String())

		deps = append(deps, path)

	}

		addStr("hash_seed", uuid)

	}

	propFile = android.PathForModuleOut(ctx, "prop").OutputPath

	builder := android.NewRuleBuilder(pctx, ctx)

	builder.Command().Text("rm").Flag("-rf").Output(propFile)

	for _, p := range props {

		builder.Command().

			Text("echo").

			Flag(`"` + p.name + "=" + p.value + `"`).

			Text(">>").Output(propFile)

	}

	builder.Build("build_filesystem_prop", fmt.Sprintf("Creating filesystem props for %s", f.BaseModuleName()))

	android.WriteFileRuleVerbatim(ctx, propFile, propFileString.String())

	return propFile, deps

}