Removed unused Android.mk under device/google/contexthub am: 224d08b385 Original change: https://android-review.googlesource.com/c/device/google/contexthub/+/3099157 Change-Id: I9ca508659bc765f7f18b5b6467690c74e7d7f04c Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>