Fix SEND_EMAIL variable settings so ci.bazel.io start sending mail again
Fix SEND_EMAIL variable settings so ci.bazel.io start sending mail again

Change-Id: Icd3e48f19630f9d89def235828f75c10bfe9f3b8

bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration