Add remaining MB configs for the chromium.memory.fyi builders.
Add remaining MB configs for the chromium.memory.fyi builders.

R=brettw@chromium.org, aneeshm@chromium.org
BUG=481692

Review URL: https://codereview.chromium.org/1874183002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#388130}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk