alloc-stress: add cgroup usage flag and replace Android.mk with Android.bp

Add -g command-line flag to enable or disable memory cgroup usage. By
default cgroups are not used.
Replace Android.mk with Android.bp.

Change-Id: I3c181b323b3d90b3b12bca33103cfa6b8ce07a7e
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
3 files changed