Packaging for Android on 4.26.0 fails with Gradle error

Updated to 4.26.0 from 4.25.4 and packaging fails with this:

Z:\permission_library\src\main\java\com\google\vr\sdk\samples\permission\PermissionFragment.java
uses or overrides a deprecated API.
Note: Recompile with
-Xlint:deprecation for details.

What should I do? Need your asistance!

Full log here:
https://scans.gradle.com/s/6jyfogywk7fze/console-log?anchor=107