Metalava rejects a mix of format 2.0 and 4.0 files within the same sdk_library because they have different kotlin-style-nulls settings. All placeholder files were on 2.0; bump them to match current.txt.
Metalava rejects a mix of format 2.0 and 4.0 files within the same sdk_library because they have different kotlin-style-nulls settings. All placeholder files were on 2.0; bump them to match current.txt.