Frameworks: Show 4G for LTE conversion (1/3)

  - convert googles code from bool to system setting
  - completely removes the need for a device override
  - retain system compatibility to allow data icon updating as normal

patchset 3:
  - force the default setting

Change-Id: Ic25a02c87776a05f42963ad2c662e5bdf369759d
[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
toggle updates

patchset 4:
  added blank icon for custom toggle

Change-Id: Ic096fe6e56bf8d078b08b35daa8eeb3d914bc31a