LU-12095 ptlrpc: ocd_connect_flags are wrong during reconnect

Import connect flags are reset to original ones during
reconnect, so a request can be created with unsupported
features.

Use separate obd_connect_data to send connect request.

Change-Id: I4cfc48bf7ef66c4f3832613e179030b0eb1d6fdf
Cray-bug-id: LUS-6397
Signed-off-by: Andriy Skulysh <c17819@cray.com>
Reviewed-by: Alexander Boyko <c17825@cray.com>
Reviewed-by: Andrew Perepechko <c17827@cray.com>
Reviewed-on: https://review.whamcloud.com/34480
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Alexandr Boyko <c17825@cray.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>