Bug: 73496681
Test: make RunSettingsRoboTests ROBOTEST_FILTER=DevelopmentTilePreferenceControllerTest
Test: flash device and manually test by enabling dev options
Change-Id: Ib7f53128c79de9550d4f68274312e731c01ebd4f
- The tile activity is internal to Settings and nobody should launch it
externally, thus it doesn't need to have its own activity. Preference
framework can launch the fragment as a SubSetting
Fixes: 67603649
Test: robotests
Change-Id: I9ba2fc55eb7f571f816ec045567f2dd2714c44e8