[pinpoint] AsDict() results_values fixes.
[pinpoint] AsDict() results_values fixes.

Fixes from https://chromium-review.googlesource.com/c/catapult/+/758051
Because I landed that without testing it first, and Job doesn't have full unit
test coverage yet.

Bug: catapult:#4025
Change-Id: Ic6dc0d5ac88711bc49562e19486c269bf5acf023
Reviewed-on: https://chromium-review.googlesource.com/761424
Reviewed-by: Juan Antonio Navarro Pérez <1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org>
Commit-Queue: David Tu <baa605d781958521249fdcf7bad76b01d943134a@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult