update preloaded-classes

Remove some preloaded-classes and fix typo for deleting log messages
as the followings during booting.

W/Zygote  (  163): Class not found for preloading: android.bluetooth.
BluetoothAudioGateway
W/Zygote  (  163): Class not found for preloading: android.bluetooth.
HeadsetBase
W/Zygote  (  163): Class not found for preloading: undroid.content.Ab
stractThreadedSyncAdapter$SyncThread

Change-Id: Id02e0cccaeb150f48e12d67b2d691df828842e4c
4pie toggle state

Change-Id: Ia116b351dc5ef28c95bba8b46782f946797dfda6

Conflicts:

	packages/SystemUI/res/values/strings.xml
derp

Change-Id: Id61135bd3d839a2e35e9a2ce82f116d1f3b5aca4