Don't abort if the oat file doesn't have dex2oat command line key. am: ab2fde3266 am: ac2db2a787 am: 8c0ffc394e

Original change: https://android-review.googlesource.com/c/platform/art/+/1611680

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I21c4538bdd757fedcf08d985dfdf99218847ed55