Android Build Update

[msmalik681]

• set sdk version to 31

• updated gradle from 3.2.1 to 7.0.3

• added update to retain functionality on android 10

• simplified build process on linux and windows.

• added source code fixes to allow android to compile.

• added x64 builds back as they are supported now.

[DCurrent]

I can't merge this due to code conflicts. Make sure you pull down latest global beta and merge into your branch to check for conflicts first.