Build notice files from license metadata. am: 43c2dcae am: 6f7de5b1 am:...

Build notice files from license metadata. am: 43c2dcae am: 6f7de5b1 am: cbcf8d9b am: 8d17118d

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2047886



Change-Id: I59a64d73b289cd3197f5c5578ace6963eaef2474
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>