[CI] Print the sanitizer logs

Summary:
There is a facility to print the sanitizer logs should they fail, but it
was never used.

Test Plan:
Remove the functional test --exclude from build-asan then:

ABC_BUILD_NAME=build-asan ../contrib/teamcity/build-configurations.sh

Reviewers: #bitcoin_abc, deadalnix, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D4707