Remove unused trace_marker am: 5f4c896e1c

Original change: https://googleplex-android-review.googlesource.com/c/device/google/zuma/+/23737615

Change-Id: I8c3e6fcff26f3737f7ff8f4c1e7fa083754104ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>