Use wallpaper picker added to WallpaperCropper apk.

The code is still here for easier upstream merges.

Change-Id: I97ec1492e8acf7ff6a5ceef00a68f47e6444bf50
Merge "Use wallpaper picker added to WallpaperCropper apk." into cm-11.0
Automatic translation import

Change-Id: I9cd58af458e1e1e83f8e079a353a2443d57a9780
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_packages_apps_Trebuchet into kitkat

Conflicts:
	AndroidManifest.xml