(WIP) [1/2] Frameworks: Optional statusbar battery icons

    * Circle battery and circle battery percent (from CM <Sven Dawitz>)
    * Battery bar percent from Google
    * Quicksetting battery tile reflects status icon (from SlimROM <kufikugel>)

Part 2: packages_apps_Settings

Patch set 2: clean white spaces
Patch set 3: fix conflicts

Signed-off-by: Anu6is <curtis.mayers@gmail.com>

Change-Id: Ic4056d08874672263444152813a4a8e805a4abf3

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout/quick_settings_tile_battery.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java
	wifi/java/android/net/wifi/WifiChannel.aidl

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java