Add asan, tsan, ubsan, and msan configs for Bazel (#15)
Add asan, tsan, ubsan, and msan configs for Bazel (#15)

These configs were copied from the Spanner client.
googleapis/google-cloud-cpp-bigquery,googleapis/google-cloud-cpp-bigquery,googleapis/google-cloud-cpp-bigquery,googleapis/google-cloud-cpp-bigquery