Merge "Remove unused Android.mk files in chromium-trace" into main am: 0db17ff248

Original change: https://android-review.googlesource.com/c/platform/external/chromium-trace/+/2825993

Change-Id: I7218cfb302f14797ca9c17c421aeb4f073ef24de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>