Merge "delete HIDL adapters" am: 7b4cdf7452 am: 38a1d26975 am: b0d0e8d94e am: 76cb172edc am: 4029b47f2a

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/1877956

Change-Id: I8c47d5ad94c94f0ce67b0670ef4bf3895cb43cdd