The update to Antutu major version 8 has changed a lot of element names.
There have also been changes to the tests run in three of the four categories.
This commit handles those updates while also retaining backwards compatibility
with major version 7.
On devices running android 9 with google play services, PlayProtect
blocks the installation of our automation apks due to targeting a lower
SDK version. Update all apk builds to target SDK version 28 (Android 9)
however do not change the minimum version to maintain backwards
compatibility.
- Add copyright headers to files that did not already have them
- Update the year to the last year the file was modified in files with
existing headers.
