Revert "Completely remove app ops activity."

This reverts commit 1ad26e9c370e3db3ac801bda42b3fa52ab2e2d07.

Change-Id: I58b5ea280ed0dbff00f7f6f98fbd41575cdd5222
Option to hide lock pattern dots
Purity Dark UI mode toggle

- Credit to slimroms
- Thx Ruse for your amazing icons
Dont enable Wi-Fi if it's not toggleable in flight mode

Dont enable Wi-Fi if it's not toggleable in flight mode
by restoring the return which was removed by
e78c1879058571c00879f0d3e756951302adf513

Change-Id: I8ca5a3e9b3f36f148f08ce97b8a2b854bf7de21c
No back icon in action bar of APN Settings

When entering the APN menu, the actionbar is missing a back
icon allowing the user to go back to the previous pane.

Added parentActivityName in ApnSettings, to enable action
bar back icon.

Change-Id: Iee8bb420f47c0e2c0d9a43739f534466abba30db
Better string
Launch music player on headset connect
Lockscreen Targets : Fix empty magnetic behaviour

When no valid targets are set, set settings to null in order
to enable magnetic targets (aosp behavior)

Change-Id: I0ccaad25cc85f55b99e4c34cb4ffe2d06bda4a80
Fix adding apps to lockscreen targets without explicit icon selection.

Change-Id: I28c5a2fb72aabd892cc861d592ef20bcbf9fb891
Clean up lockscreen target configuration code (2/2)

Get rid of a lot of duplicated code.

Change-Id: I03faf36d5e767053072f1809f670882600ea0830

Conflicts:
	res/layout/lockscreen_shortcut_dialog.xml

Conflicts:
	res/layout/lockscreen_shortcut_dialog.xml