RESTRICT AUTOMERGE placeholder to avoid merge conflict

Because of aidl version rule is different in mainline-prod,
the CLs using new aidl version rule shouldn't be auto-merged
into mainline-prod. This is placeholder for merged-in tag

Ignore-AOSP-First: placeholder to avoid auto-merge
Bug: 150578172
Test: none
Change-Id: I616933251aec49c60c850198c0594861009c2bb8