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This change is to avoid bootlooping on SWA installation. With this
change, we will attempt the same version 3 times and then stop
attempting reinstallation. We will try installation again when a
new version is pushed.
Formatting fixes

Fix up the tests

Abandon failed SWA install after 3 at same version

First test code

Bug: 1095523
Change-Id: I3139652767d94586e5dd6fc0c8070eae8a25cce5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2268207
Commit-Queue: Dominic Schulz <dominicschulz@google.com>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791837}