Merge "Delete KM1" am: 833a929d85 am: 22453fa420 am: 42b625b3e8 am: 71344faeeb

Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware/+/1846575

Change-Id: Id2d447c98dc65b985e3dcbbf5cfed97d918c063c