[infra] Enable Weetbix weak exoneration retries on Android CQ builders

This will enable retrying tests where a failing test has been
exonerated but was close to not being exonerated (to make sure the
exoneration status won't thrash between the two classifications)

Bug: 1314194
Change-Id: I9c7a075cd91aed7af4199761f45009ee78202b7c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3861520
Reviewed-by: Garrett Beaty <gbeaty@google.com>
Commit-Queue: Struan Shrimpton <sshrimp@google.com>
Cr-Commit-Position: refs/heads/main@{#1040613}