No bug - Import current AppConstants.
No bug - Import current Fennec strings.
Bug 966103 - Follow-up: Replace three dots with ellipsis. r=flod
Bug 1097220 - Part 1: extend ClientRecord and add fields to new local client records.
Bug 1097220 - Part 2: extend ClientsDatabase to support new optional fields.
Bug 1097220 - Part 3: extend TestClientsStage to cover new fields.
Bug 1097220 - Part 4: test that optional fields are initialized to null.
Review comment: note that HardwareUtils is safe to init multiple times.
Review comment: rename optStringFromCursor, add comments.
Review comment: add pointer to docs and note about optional fields.
Bug 1097220 - Extend client record format for Android. r=nalexander
Bug 1102488 - Part 1: Import constant definitions from Fennec.
Bug 1102488 - Part 2: Make *Constants stand-alone.

These pre-processed files of compile-time constants are built very early
during the Fennec build; they should be stand-alone (within reason).