Merge "Add write_if_changed property to genrule" into main

	// input files to exclude

	Exclude_srcs []string `android:"path,arch_variant"`

	// Enable restat to update the output only if the output is changed

	Write_if_changed *bool

}

type Module struct {

		// Use a RuleBuilder to create a rule that runs the command inside an sbox sandbox.

		rule := getSandboxedRuleBuilder(ctx, android.NewRuleBuilder(pctx, ctx).Sbox(task.genDir, manifestPath))

		if Bool(g.properties.Write_if_changed) {

			rule.Restat()

		}

		cmd := rule.Command()

		for _, out := range task.out {