Set owner as system for logbuffer_cpif Setting the owner of /dev/logbuffer_cpif as system to allow the dump_modem script to read the logs as part of bugreport Test: Tested bugreport on P23 Bug: 278501642 Change-Id: I336d712ea9e4bc2cfe08195f64089b68dd283fe6 Signed-off-by: Mahesh Kallelil <kallelil@google.com>