android: binder: Use dedicated helper to access rlimit value

Use rlimit() helper instead of manually writing whole
chain from current task to rlim_cur

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed