Support for Split APKs

[amrmp]

I have yet to see the support for installing applications pulled from devices that may be split, e.g., base.apk, split_config-X.apk. I have added this feature to the codebase to support split-based APKs. The feature has been tested and worked without any issues. I wish to contribute via PR to support this feature.

In addition, there should be a mechanism to wait for the device rather than hard exit() in device.py, as the device may only need to be reconnected. Currently, it limits the tool's functionality in a dynamic setting. The PR will update this as well.