Merge "Change IInterface default_impl to use sp<>" am: f9ce300c43 am: 1f7304de11 am: ef3a33f37d

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1950456

Change-Id: I9c7b54a51b8a4d24665948b92aa4b66fd3f43787