Get incompatible flags before calling upload_project_pipeline_step
Get incompatible flags before calling upload_project_pipeline_step

Change-Id: I2a57cedbd3086cfb42fa7e59162700e5d9aaf084

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