Update notes for submitted changes

* PackageManager: Add option for single threaded dexopt
* MountService: Handle UUID in list response
* Wifi: Use bss->age identifier for wifi scan results
* Activity chooser "Always" button is not working
* Keyguard: fix NPE setting lockscreen wallpaper
* keyguard: force marquee effect for carrier text
* Theme IME switcher alert dialog
* Fix frontOfTask assignment.
* Show notification on adb over network too
* accounts: don't remove accounts while device is in safe mode
* base: don't show global actions if shutdown sequence was started
* HOVER: Fix notification content not being updated
* HOVER: Ensure to clear after reparenting all notifications
* HOVER: Match notification width on tablets too
* StatusBarView: Avoid unnecessary calls to mHandler.post()
* ExpandHelper: Improve one finger expanding forced handling
* StatusBarView: Ensure to not overload in/out animations
* Implement DocumentsProvider.createDocument and deleteDocument
* base: properly check that quickboot is enabled