This CL only changed AlertDialog imports.
So, reviewer can review it easily.
Change-Id: I097bc44394195b14287f4f920c570ac8653f356a
Fixes: 111413092
Test: This CL can't pass Robo test.
- for fragments that do not implement the preference screen, change them
to inherit from InstrumentedFragment instead.
Change-Id: I791c2634024bd2c248efea955be5c680180d735c
Fixes: 68277111
Test: make RunSettingsRoboTests
- Move Crypt/Encryption setting into security package.
- Reformat crypt_keeper_settings.xml
- Add controller and test for encryption status
Bug: 32953042
Test: robotests
Change-Id: I1f4b2f97133435c70a49522a59886ac4da6759af