[1/2] Base: Speed up booting on multicore devices

- Add multithreading support to Installer/installd
- Parallelize package scanning
- Parallelize boot dexopt

Change-Id: Ia6b815bde0e5cdf996fdfdec3ba228bcde9e4e0b
Merge "[1/2] Base: Speed up booting on multicore devices" into android-4.4
[1/2] Base: more improve Active Display

1. fix http://jira.omnirom.org/browse/OMNI-651
2. fix http://jira.omnirom.org/browse/OMNI-641
3. add http://jira.omnirom.org/browse/OMNI-652
4. Add option Double tap to sleep every where
5. Add option to show wallpaper blur behind active display
6. Allow to show numbers of notification on Handle (only show if notification count is enabled in bar settings)
7. minor improvements
8. add battery circle around handle (only show if battery circle around lockscreen handle enabled, see security settings)
9. fix http://jira.omnirom.org/browse/OMNI-665
10. fix whitespace

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: I1b28041c0245de80b7d09c684f6439b2f8f5bd40
Base: fix SystemUI because ActiveDisplay

fix http://jira.omnirom.org/browse/OMNI-708
fix http://paste.omnirom.org/view/e7039c0b
fix http://paste.omnirom.org/view/6977cb45

Change-Id: Id6688c721bd262df7824183a14fcd0aab145517e
Merge branch 'android-4.4' of https://github.com/omnirom/android_frameworks_base into android-4.4