Merge "Move HIDL interfaces not included in mainline_system.mk to system_ext" am: 3fec2daf23 am: 4a4e0595b5 am: 53ebabb8ae

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1371698

Change-Id: I37d245e22068a40c4f19fbd3d6c2bfd30ef3dc56