rild: add to readproc group

At least on shamu, rild scans through /proc looking for the
netmgr process. Make sure rild is in the appropriate group to
examine /proc entries.

Bug: 25608126
Bug: 23310674
Change-Id: I9d0aecf91bcec326a51c08bd3f08b27d81bb81d6
1 file changed
tree: b2d9c235c043245d9fbf9a8079a2120315a2168b
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk