Adds new public API classes: * InputOutputFormatsMap * LensShadingMap * RggbChannelVector * StreamConfigurationMap * TonemapCurve Adds new @hide classes: * StreamConfiguration * StreamConfigurationDuration Minor changes: * CameraDevice (doc only) * Preconditions (new @hide function) Change-Id: I2f3757e2fe9d63e710f51469c650377165fd6631