(1/2) All in one Halo integration, fixes and master switch for Slim 4.4

Includes commits:

https://github.com/willl0344/frameworks_base/commit/5af2a44bad1483ebca000b4bc694c5c376ef2fcd
https://github.com/willl0344/frameworks_base/commit/e7d3914cc046ac320b035a8c8fb67755c7af634a
https://github.com/willl0344/frameworks_base/commit/e59f16b7c48e311453d5adc95c4c7adc0262f014
https://github.com/willl0344/frameworks_base/commit/7306d133d34aab3894d228aab2413fa40c686564
https://github.com/willl0344/frameworks_base/commit/83f4f2c6b005686261bc31d908c86f6f3a319165

All credits to PA and mods authors
(1/2) All in one Network usage stats in status bar + Don't update stats when screen is off

Includes Commits:

https://github.com/willl0344/frameworks_base/commit/44652d468e862f35517521b7cc84e4aad5150191
https://github.com/willl0344/frameworks_base/commit/4fbc91a1c2d527c3387491982a38647ffc4d877b
Tweak no signal polling
Tweak volume steps
Grey Halo Handle