Skip binderfs tests for kernels without support

Binderfs was first introduced in Linux 5.0 release, so we need to skip
these tests for older kernels. Also, we force a successful exit as the
current framework doesn't handle KSFT_SKIP return codes.

Bug: 208276189
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Change-Id: I0cb968bee3bccf6412f1ebbdacb960f60cb5c70a
2 files changed