ClatdController - rename progFd to rxProgFd

(since this is the ingress, and not egress program)

Test: compiles, atest
Bug: 139396664
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8a388588ce21d9e0dd59e13482c1bdb17fbc5a4d
1 file changed