libbinder: readString*Inplace SafetyNet (II) am: 61d0f84881 am: 000700590a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/13170519

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8b291b5a15ea36a9cf517bcfba57bfb2b7b17545