IMPALA-5969: [DOCS] Adds --auth_creds_ok_in_clear to shell options
IMPALA-5969: [DOCS] Adds --auth_creds_ok_in_clear to shell options

This patch adds --auth_creds_ok_in_clear to the impala_shell_options
documentation xml

Change-Id: I19450ebd839b84a85598d283c04a77662fa5e44e
Reviewed-on: http://gerrit.cloudera.org:8080/10236
Reviewed-by: Jim Apple <396f577ccd0f19e47f0fb44dae1d6fc43cc20400@apache.org>
Tested-by: Impala Public Jenkins <039b6b20426ff68ebe492b3021890d8c8fd010c9@cloudera.com>

cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala