IMPALA-3081: increase mem limit (again) for TestWideRow
IMPALA-3081: increase mem limit (again) for TestWideRow

LZO occasionally needs > 80MB to run this query. We still need to
investigate why it needs so much memory (the scan alone takes > 70MB),
but for now bump the mem limit again.

Change-Id: Ifdb7c6d33ab2de0f06e7322aa8f8ba107da84d49
Reviewed-on: http://gerrit.cloudera.org:8080/2602
Reviewed-by: Jim Apple <9e3620e7251463d214b5f536438d2c9ea899162d@cloudera.com>
Tested-by: Internal Jenkins

cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala