DisplaySettings: Add hardware-framework support for color enhancement

Change-Id: I9fa4e7409266ce9e658c93ae32940050cfe437d2

Conflicts:
	res/xml/display_settings.xml
Reset Pattern:
 - If user cancels while creating new pattern, old pattern is restored

Change-Id: I55955b1ffadca2ba712c40c7d443c4fc4b0f528c

Conflicts:
	src/com/android/settings/applications/LockPatternActivity.java
	src/com/android/settings/applications/ProtectedAppsActivity.java