Return CharSequence instead of String.
All user visible string should be modeled as CharSequence.
Bug: 73950519
Test: robotest
Change-Id: I30befef0c33f94351d4a2774e283bd1ed804aa8b
...because dynamic tile is a lot harder to index correctly.
- Removed metadata that makes PrintSettings a dynamic tile.
- Added PrintSettings into connected_device xml.
- Added a new PreferenceController - all summary updating logic is
copied from PrintSettingsFragment
Change-Id: I41e7c9d23e97ecd5a043ac7c33f2d404260c92e7
Fixes: 73128944
Test: robotests