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

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

Change-Id: I8d22049735ae8abe953f63a99cc428ba818d38dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>