VectorICs - turn on vector ICs for LoadIC and KeyedLoadIC
VectorICs - turn on vector ICs for LoadIC and KeyedLoadIC

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1075823002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#27691}

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