chaps: Disable :memory: tests if libmemenv not present

BUG=None
TEST=Chaps unit tests (with ASAN) plus PKCS11 tests

Change-Id: I163c73353c259106eaff6060bbd272dc1fbf167f
Reviewed-on: https://chromium-review.googlesource.com/221936
Reviewed-by: Darren Krahn <dkrahn@chromium.org>
Commit-Queue: David Drysdale <drysdale@google.com>
Tested-by: David Drysdale <drysdale@google.com>
1 file changed