Revert Emergency call button on lock screen

Revert commit 9d98c15071b2a9bf3001f24a28880df9844767bf.
The change introduced a bug where 'Charging' text overlaps
the lock icon. Fix should align text and icon.

CRs-Fixed: 780960

Change-Id: I399f40aa2992c0c9672f39ac9a6fa1bb13772dfd
2 files changed