Readd support for old perfd socket

* This is still used by older 8916 blobs and possibly others,
  move the label out of the msm8974 folder and readd the old rules
* This essentially reverts 3173a8c8b8a93e55403f65e60b31d937ea8a18b4

Change-Id: I5c51052b3622e63a14f74600cdbb76d515001841
3 files changed