Revert "systemUI: add swipe QS to Notifications and back"

This reverts commit 54669bd0779d991462664817cbf3eabfe188f303.
[1/2] Base: Clock tweaks

PS5: changed to slim as base for commit:
- Clock and date enable/disable
- Clock and date position
- AM/PM styles multilang support
- color
- Date format
- Date style

PS6:
- Fixed build
- Removed color options because we don't have it for any other
statusbar objects.

PS7:
- fixed clock on lockscreen after reboot
- fixed clock transition
- cleanup

OmniGears: https://gerrit.omnirom.org/#/c/4939/

Change-Id: I9129067775d65119d27085f93efb798a7124ae2c

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout/status_bar_expanded_header.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarTransitions.java
[1/2] Base: Add custom periods for data usage measurement

This commit adds week and day periods for data usage
measurement, instead of just months.

Change-Id: Ibd0067418435442d8cff922faf8ef0f6a5a28761