[1/3] Base: QuickSettings (SlimBean)

Settings: https://gerrit.omnirom.org/#/c/3941/
Telephony: https://gerrit.omnirom.org/#/c/3932/

Builds & Works. Needs refining and code cleanup.

PS6

Change-Id: Ibab1c953515a3e956cdf3b6f8913e84ece7bc549