Merge "librust_baremetal: Add memcpy_chk" am: 716ed9b931 am: e4eafe8db5

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2337445

Change-Id: Ic0f393edd969abccf9d0cdb76f4215b3d18866ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>