Merge changes I432016e2,Id208b11b,Ia6a38729,Icdaf9e35,I842a7a64, ...

* changes:
  logd: if eng build, be a bit more permissive about failures
  libcutils: klog inherit android_get_control_file("/dev/kmsg")
  logd: start logd service in logd uid
  logd: auditd + klogd control CAPS
  logd: drop capabilities in logd --reinit and logd.daemon
  logd: drop libminijail dependency
  logd: start logd services in logd gid
  logd: set executable's capabilities in file system
  logd: inherit android_get_control_file()
  init: service file keyword
  libcutils: add android_get_control_file()
  libcutils: add android_get_control_socket() test