Bug 867104 - r=ehsan a=bajaj

--HG--
extra : transplant_source : tM%E2%AC%ED%8C%D2%B4%17oBt2u%86%04%0E%40%DD%DE
Bug 867104 - Add a crashtest. r=ehsan a=bajaj

--HG--
extra : transplant_source : %D9%8E%7Ch%00%20%21%98G%EB%27%86%11%1F%EC%FD%F7S%AFh
Bug 871978 - Incorrect usage of SwitchPreference in pre-v14 Android. r=sriram, a=akeybl