Merge pull request #8726 from leob2g/Bug_852361_Device_is_shut_down_when_battery_level_become_two_percents

Bug 852361 - [System] Device is shut down when battery level become two percents(cherry picked from commit a7f1e921c67d5d3d4e0afaa06aca79320784e806)
Revert "Bug 935307 - [B2G][Contacts] A user is able to retrieve a contact information from Settings screen"

This reverts commit 256dcfe2cbe03640888fb0ca8fd09d3deece4863.
Merge pull request #13673 from KevinGrandon/revert_bug_935307

Revert "Bug 935307 - [B2G][Contacts] A user is able to retrieve a contact information from Settings screen"