Merge branch 'kk-ras-mr1.2_r2' of https://github.com/rascarlo/android_frameworks_base into kk
[1/2] Speed up booting on multicore devices.

1. Add multithreading support to Installer/installd.
2. Parallelize package scanning.
3. Parallelize boot dexopt.

Change-Id: Id42b2bf4a737f93f9ecd9b5819344adbb735f0fb

Conflicts:
	services/java/com/android/server/pm/PackageManagerService.java