Fix the layout of the network speed indicatior

Conflicts:
	packages/SystemUI/res/layout/status_bar.xml

(cherry picked from commit 07b25a7099ddf7f34f18657be618d63f627215b1)

Conflicts:
	packages/SystemUI/res/layout/status_bar.xml
Revert "Add missing network indicator items"

This reverts commit c4393b91efa02b69f41b100c01eafb982e03134c.

(cherry picked from commit 287a63a6b9d9986842149a5a1e961147eac4d89b)
[1/2] TrafficMeter: added option for auto-hiding on inactivity

Together with inactivity threshold

Thanks to @C3C0 for the code

Conflicts:
	core/java/android/provider/Settings.java

Conflicts:
	core/java/android/provider/Settings.java

(cherry picked from commit 49f0ec234e58d5b834663310f2b5495475957562)
TrafficMeter: fix auto hiding when Bytes is set as the unit

(cherry picked from commit f51a67ff9d19c9a7dca4fd3fa1b14459ea2bfa78)