Merge "Remove unnecessary Android.mk" into main am: 73aa89da36 am: 53c368ffe2 am: 698afd408a

Original change: https://android-review.googlesource.com/c/device/sample/+/2826212

Change-Id: I20240addfea59e5688a471c9f7051a01b46f7c25
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>