init.common.rc: Set /sys/kernel/debug/tracing permissions am: 66c35f4033 am: 4e56b2d1a9 am: e8d9f0d5b0

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1345439

Change-Id: I5ac18db6cae868eb70883248676cecbd0a3ae6c5