Add summary text to App permissions settings.

Check the granted permissions for the installed app and compose the
summary text to use the first 3 permissions granted from the list:
Location, Microphone, Camera, Sms, Contacts, and Phone.

Change-Id: I61d21f279af2fe86132de22b94e1a49da0225fcd
Fix: 36376411
Test: make RunSettingsRoboTests