Fix test-heap/BootstrapperExports on no-snap builds
Fix test-heap/BootstrapperExports on no-snap builds

NOTRY=true
NOTREECHECKS=true
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1137143003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#28368}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh