Revert "PEEK: Sensors improvements"

This reverts commit f7c4a2cdc8ff84fcb87f7a0e999cc7b2a9f56d4c.

	modified:   packages/SystemUI/src/com/android/systemui/statusbar/notification/SensorActivityHandler.java
Revert "SystemUI: Iterate only over existing Pie snap points"

This reverts commit 1e2d7c9b2e102bd4854cfe5ddd76315e3fc84fb4.

	modified:   packages/SystemUI/src/com/android/systemui/statusbar/pie/PieMenu.java