Merge "Fix missing null-terminator to exec call." am: 7587e20eaf am: bbe7c690f1 am: 3faa5e7319

Original change: https://googleplex-android-review.googlesource.com/c/platform/bionic/+/18171741

Change-Id: Ib5ab80aa5482c7edef55b1833e9859f716f17dbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>