Removed Traffic meter

(cherry picked from commit 56b8785f9f259f631bde1d2c9d1ad69f80572d28)
Add network usage stats to status bar. [1/2]
PS2:
Get the time delta between updates and use that to show
average bytes per second.

Change-Id: I63771220333a32063f675e6fc38c9aadb6de4274

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout/status_bar.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/res/values/styles.xml

(cherry picked from commit f4ed0a5e64631adfb2610a7add99b3515b35efdf)
NetStats: Don't update stats when screen is off

Also moved registering of broadcast receiver and settings
observer to onAttachedToWindow() and unregistering to
onDetachedFromWindow() to avoid these being leaked.

Change-Id: Ia131a0db65c4c762b7f28493e812f9fb21358a27
(cherry picked from commit 40a0e204e4ffd240f378b8cb4c7991611b4ba88d)
Network stats custom colors (1/2)

Change-Id: I3c95a70273b111c7776f395f7baa60a77cea95dd

Conflicts:

	core/java/android/provider/Settings.java

(cherry picked from commit 9039f7053f7ada1ca6292a151907a5e34e1d56ae)
NetStats: Add net stats to system bar.

PS2:
PS3:
Hide net stats view when notification area is disabled.

Change-Id: Ib35dd46b026dab00abe73966105806c54266e466
(cherry picked from commit 2d5b6a7c2d7cea3957a13b0b1dd6dbf17441f40d)
Network stats small changes + QS powermenu strings
- change default color;
- show speed in B/s, KB/s and MB/s;
- scale down text size to 9dp;
- move qs strings

Change-Id: Ife85c87afba052abe8ae5e60c079680b8046f34e
(cherry picked from commit 86c1e86c4252af6baf684129e98575aa6fbdecea)
Revert "Revert "[Frameworks] Add reboot tile to QS""

This reverts commit 6b9c64005430989116b8ca96bda6f8e8a51db3cb.

(cherry picked from commit 61fcb0b37c9764c8249ec1710eefe2280be7a6cd)