Log exit code of failed command am: f14f2cf9fe am: 14fb2e90be

Original change: https://android-review.googlesource.com/c/platform/external/vogar/+/2119231

Change-Id: I02cabc9b0b3c3f104ef48bc16ed1788c17888958
Signed-off-by: Automerger Merge Worker <[email protected]>