Fix a typo in oat_file_assistant_context.h. am: 6466a588e3 am: de9ba55645

Original change: https://android-review.googlesource.com/c/platform/art/+/2203778

Change-Id: If89917894c554cb7e16d5ba346d27a6464095ed1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>