Bluetooth: Add support to Receive/Send OPP file with size greater than an int can hold

Change-Id: I5d70718be14c3bbbdccaf52971ce03c0879a6a71
CRs-fixed: 366818, 468659

Conflicts:
	src/com/android/bluetooth/opp/BluetoothOppObexClientSession.java
	src/com/android/bluetooth/opp/BluetoothOppObexServerSession.java
	src/com/android/bluetooth/opp/BluetoothOppReceiveFileInfo.java
	src/com/android/bluetooth/opp/BluetoothOppShareInfo.java