[scudo] Rework Vector/String am: 53aea5c442 am: 18edcc3387 am: d0d822c1cb

Original change: https://android-review.googlesource.com/c/platform/external/scudo/+/1729750

Change-Id: Iec110cd7306c13b2956c74e7eacd77a1f548cc47