[swarming] Added infinite retries when inserting bot_event
[swarming] Added infinite retries when inserting bot_event

Change-Id: I945de6629bd1c2399d9b3f39f11c92fa4d4ae61b
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-py/+/3920034
Commit-Queue: Jonah Hooper <2346c1b958e225fb7eb5e3a6fe644e71150a8db1@google.com>
Reviewed-by: Vadim Shtayura <9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org>

luci/luci-py,luci/luci-py,luci/luci-py,luci/luci-py