Bring back more PIE targets [2/2]

- Replaced App window with Torch pie trigger

Change-Id: Ie36c7af28b55ac21859ac3dc466196feb9068372

Conflicts:
	AndroidManifest.xml
	res/values/custom_strings.xml
	res/xml/pie.xml
	src/com/android/settings/liquid/Pie.java
Enable Search Pie Target only if Google Search installed [2/2]

Change-Id: I483c2278949a1d9b829ca3b88f29cffe348af33a
Screenshot Pie Target [2/2]

Change-Id: Ibb46aeb8c5411dda9d24cb4a73da3b046bf8ce6a

Conflicts:
	res/values/custom_strings.xml