Fix a comment to be more accurate am: e1b8877890

Original change: https://android-review.googlesource.com/c/platform/art/+/2241206

Change-Id: Ia8d5723f2ee86b177590095d9d3ae27765a4bf09
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>