Remove unused Android.mk file am: 8c6bfebb57

Original change: https://android-review.googlesource.com/c/platform/test/catbox/+/2854390

Change-Id: Idb2edc24918af1f4eedd109697f69be25f301b2d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: c1e82db478153d8c003d669e303fdda38fda3ee5
  1. prebuilts/
  2. report/
  3. runner/
  4. target_preparers/
  5. tools/
  6. OWNERS