PrivacyGuard : Reimplement to use appops

Re-implement privacy guard to use appops

Change-Id: Id97b6ecf8d4c844d3496adc71eeaba7ea050ce1d

Conflicts:
	res/values/cr_strings.xml
Improve app op details layout.

Change-Id: I38a2c3679633ae85aec61703ab933410775bb336
Save last list position in privacy guard manager.

Change-Id: If04fd42b1a50059996d2a002f0c2451c3cdf82a4