Revert "New Patch for FWB:  Speed up booting on multicore devices."

This reverts commit 77edf0545b848418404ef2608de48befd5d620bf.
Revert "[1/2] Speed up booting on multicore devices."

This reverts commit 165792180c8b5df9811296f6271668265e9e9894.

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

Change-Id: I277cb90adc22e1f374017a7837d15a0e27029f59
[1/2] Base: Speed up booting on multicore devices

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

Change-Id: Ia6b815bde0e5cdf996fdfdec3ba228bcde9e4e0b

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