Rename Profiles to System profiles

L includes 'Users & Profiles', rename ours to distinguish features
and prevent confusion.

Change-Id: I5a148dcf5fea1b24448d254105b0bd6904a4ddd8
Revert "Settings: volume wake preference"

This reverts commit 6c2e00215ea2d7cc8fbc7de572506fd222d2b5a8.
Merge remote-tracking branch 'upstream/cm-12.0' into HEAD
Revert "Revert "Settings: volume wake preference""

This reverts commit a5b90c632e08fd2f136032b43dc1857329be59ac.