GPU Memory: update fs permissions for gpu_mem/gpu_mem_total tracepoint

Bug: 158431662
Test: enable the tracepoint on user build
Change-Id: I0808d8fe6a8416534fbec5a273d668700f0f7129
Merged-In: I0808d8fe6a8416534fbec5a273d668700f0f7129
1 file changed