Settings: Custom Shortcut Quick Settings Tile (2/2)

This is a slim bean unique feature : multiple QS tile for app shortcuts
With this feature, we can have shortcuts to:
- An app
- An activity inside an App
- A contact
- A direct call to a phone number
- A specified folder
- A browser bookmark
- A direct sms to a specified user
- etc

PS2: avoid tile id conflicts and fix resources access
PS3: fixed a copy/paste typo
PS4: now it is called custom shortcut + better tile content management
PS5: put the tile in the correct alphabetical order
PS6: better tile content management
PS7: follow system ui resource naming
PS8: fix alphabetical order again
PS9+10: rebase and correct commit id
PS11+12: rebase

rebase

Change-Id: I3240a51db8e1768ef51a1a00e82346cb125d9737

Conflicts:
	res/values/strings.xml
	src/com/android/settings/aoip/quicksettings/QuickSettingsTiles.java
	src/com/android/settings/aoip/quicksettings/QuickSettingsUtil.java