[1/2] Add battery level around unlock ring

PS2:
added missing change in KeyguardSelectorView.java

Change-Id: Ia4dbc2335657c096c34349ec67c4adfec0aeb91b

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardSelectorView.java
Active display [squashed] (1/2)

Change-Id: I709196b232609a1dab8e9d7fdd0a6a655d487d93

Conflicts:
	core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
	core/res/res/values/cr_symbols.xml

Conflicts:
	core/res/res/values/cr_strings.xml
	core/res/res/values/cr_symbols.xml
	packages/SystemUI/res/values/cr_dimens.xml
	packages/SystemUI/res/values/cr_styles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

Conflicts:
	core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
	core/res/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java