Bluetooth: Add SDK apis for Wipower and Peripheral feature

changes needed for Wipower and Periferal features.

CRs-fixed: 587811

Change-Id: Ibe73124daf78c79498fd1a6cbbcd75a88006c688
Bluetooth: Handle exceptions for bluetoot socket read

Handled IO exception in read function of BluetootSocket,
and also introduced a null check for mSocketIS.

CRs-Fixed: 605606
Change-Id: Ic948c72269e0de486a8f49163830528b002198ff
Bluetooth: Add Power apply enable event handling

Add Wipower Power apply enable related event handling
in frameworks

CRs-fixed: 612628

Change-Id: Iceb0cf8297ad0ab7080c0c494c1404127ff0258a
Add 2 APIs (suspend/resume) in MediaPlayer

- API:suspend() will just pause the player and release all the decoders
  to replace release() which will release the whole player
- API:resume() will just init the decoders again,
  then start() will be called to start to play the streaming

Change-Id: I3e2ffeb50dfe6d156b18416fa8964ff4a3d56a2c
VideoView: Implement the suspend/resume operation in VideoView

- To use the new APIs (suspend/resume) of MediaPlayer
- Add a new status "SUSPENDED"

Change-Id: I7a829b116e5df698fd4b0a5708f06927571d198c
MediaRecorder: Add pause interface

- add pause in java level
- add pause in jni level

Change-Id: I19372d496870f3729aa28464326995a71aa72299
CRs-Fixed: 587051
[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
Merge remote-tracking branch 'upstream/kitkat' into kitkat