GPU Memory: update fs permissions for gpu_mem/gpu_mem_total tracepoint am: b9adcf3bf4 am: 85fe706d46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/11997234

Change-Id: If8e1f7e9ff79a158b5bf67fde2b8fbd3b4abfa2f