Revert "Remove flaky tests from presubmit."

This reverts commit 34b594d20a529f547c4191682aaeb591d82d6444.

Reason for revert: increased timeout in ag/17059565, so hopefully it can return to presubmit

Change-Id: I9b1be7a80f8808629dbdab9f66cd01ec91d9cf1a
Bug: 217733309
2 files changed