Merge "Remove unused Android.mk files in chromium-trace" into main am: 0db17ff248 am: 2f07721b3d am: 29fca143c3

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

Change-Id: I32d0e30d3b84519aaaafc94ff15e34659a0f5ffa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>