LU-15288 lnet: increase transaction timeout

LU-15288 lnet: increase transaction timeout

In LU-13145, it was decided to increase default transaction timeout
(LNET_TRANSACTION_TIMEOUT_DEFAULT) to 150s. But, in the associated
patch, it was set to 50s. This modification will also modify
lnd_timeout (from 16 to 49).

Signed-off-by: Cyril Bordage <cbordage@whamcloud.com>
Change-Id: I13a8b5d14230bb6e8936cb3e18540f19dbc62985
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/45780
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>