sepolicy: add support for separate dcvs script

From android R version perf events need sepolicy permission,
move memlat related commands to separate new script as they
result in accessing perf events in kernel.

And add support in sepolicy for new script to give permission
for perf events.

Change-Id: I726bdecebec1a87656d2ef1c63198b1c5d0099f2
6 files changed
tree: b943c4220bbadfa4f58d21fafc086ee83bbaa841
  1. generic/
  2. legacy/
  3. qva/
  4. SEPolicy.mk