Disable CQ bot retries
Disable CQ bot retries

PDFium doesn't have any flaky tests, so re-running the tests on failure just
cause the failure to happen again. The only time re-run is useful is if the
bot goes away which is fairly exceptional.

Change-Id: Id7b615cf91b502fdfdc2882fc85df0cdcaa512a1
Reviewed-on: https://pdfium-review.googlesource.com/2173
Reviewed-by: Nicolás Peña <660051d15ac64cec704cfacca2c2eab008f657e8@chromium.org>
Reviewed-by: Tom Sepez <47f022c5217a84c904816c5375403e20a45c37f6@chromium.org>
Commit-Queue: dsinclair <f70dc21b1b6a10340b65b6dcc0bde33e44f9236b@chromium.org>

DrAlexx/pdfium,DrAlexx/pdfium,DrAlexx/pdfium,DrAlexx/pdfium