Merge "Remove unused Android.mk files in chromium-trace" into main am: 0db17ff248 am: 5c05ca3dfb am: 796ba5246e

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

Change-Id: I496ac38da9ee08ccc2f2c1890e98bec430491661
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>