Merge "Add a ZeroingAllocator::rebind<Other> for Other==char" into main am: c2b3fefa01 am: 727ef62350

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2673490

Change-Id: I9ad5271a7a6e7f1514794b7096816867eb29b477
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>