ART: Address b/120022597

Follow-up to commit 4835d21a33b783869820c928bfc0a16f249d65f2. Clarify
template parameter.

Bug: 120022597
Test: m test-art-host
Change-Id: I0d7c5503bb0bb0bf87baf3d05ae284e85899fe1f
2 files changed