Cast / Nav being killed when screen off

Rooted 935V on PE1 with Xposed, Greenify, L-Speed, and Amplify set up. Both Google Cast and Navigation are being killed when the screen is off for about 2 minutes. I've tried disabling all of the battery saving and performance enhancing apps listed above as well as turning of battery optimization. I can't figure out what's killing these. Any suggestions?

Thanks, Brett

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