Declare license metadata for copied files. am: 31f01a6dbc am: 6ccf6f5590 am: 2a7ecd8377

Original change: https://android-review.googlesource.com/c/device/google/raviole/+/1984819

Change-Id: I8e18057aa7a5598d4ede5b9106b5a1189ae34e6a