Fix up 'launch player on headset connection' option.

- don't crash system_server if no music player can be found
- use the active user's setting instead of the owner's setting

Change-Id: I38a07fe5c8c3d67ececd0768e1fcc01a6cf7fa5a
SystemUI: do not collapse panels if keyevent was canceled.

Change-Id: I9af82e9fa2305142521075938dfd05521adeb9f4
Merge "Fix up 'launch player on headset connection' option." into cm-10.2
Fix Quick Settings tiles jerking down while animating to notifications view

Patch Set 2: Fixed in code rather than XML

Change-Id: I1689aa80a0fcb8ad17bcefc290b43a16079f7b88
Merge remote-tracking branch 'cm/cm-10.2'; commit 'HEAD' into HEAD