perf_simple_query: Call set_abort_on_internal_error(true)
perf_simple_query: Call set_abort_on_internal_error(true)

We should never ignore an internal error in a perf test.

Signed-off-by: Rafael Ávila de Espíndola <1975039f9046bf513b77c0c5639a0efc25f00e7f@scylladb.com>
Message-Id: <20200225055745.321086-2-1975039f9046bf513b77c0c5639a0efc25f00e7f@scylladb.com>

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