Changes of ProPTT2 SDK 1.2.x

List of 1.2.0

• Added SendPrivateMessage, SendCustomPrivateMessage, OnPrivateMessageReceived,OnPrivateCustomMessageReceived in PTTClient
• Added error code(ERROR_VIDEO_CHANNEL_FAIL_TO_CAPTURE_VIDEO) in VideoChannel
• Added EnablePhotoSharing,EnableGroupChannel,EnableDispatching in onProvisioned josn
• Supported Emergency Lock(Added Lock(boolean Emergency) in PTTChannel)
• Added SetBluetoothMode, GetBluetoothMode in PTTClient
• Changed parameters of EnableBluetooth, DisableBluetooth
• Removed SetEnableSendAudio,SetEnableSendVideo,SetEnablePlayVideo
• changed view class of PTTChannel and VideoChannel.(PGLSurface -> com.imptt.propttsdk.media.view.VideoView)
• Added error code(ERROR_CREATE_VIDEOCHANNEL) in PTTClient