DisplaySettings: Add hardware-framework support for tap-to-wake

Since we have tap-to-sleep globally, might as well support the
wake gesture as a standalone thing through the HAF. Place it in
"Display".

Change-Id: I6facc2334ff9e80077581c54c428476594e91528

Conflicts:
	res/values/slim_strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java
Settings: Add screen color settings

Add "Screen Color" item in settings.
This function support set Hue, Saturation, Contrast and Intensity value,
and screen color will be changed by this settings.

Change-Id: If6f6e7ee7f28862476a8b955cd3252175fefa2a1

Conflicts:
	AndroidManifest.xml
	res/values/mahdi_colors.xml
	res/values/mahdi_config.xml
	res/values/slim_arrays.xml
	res/values/slim_strings.xml
	res/values/strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java
DisplaySettings: Add hardware-framework support for color enhancement

Change-Id: I9fa4e7409266ce9e658c93ae32940050cfe437d2

Conflicts:
	res/values/slim_strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java
if we dont have any advanced preference, remove category

Change-Id: I57abd9a82434868c750fc02053fbe80f364a8fed
Settings : Add preference for proximity wake

Conflicts:
	res/values/slim_strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java

Change-Id: Ie9389d5ea2f871f703545dd576ef267f86bd18b2