Browser Plug-in API: Changes

The following header file(s) have changed between 3.1 and 3.2

**Table 1:** pluginadapterinterface.h
Type	Class	Change
Removed public virtual method	`MPluginAdapter`	`virtual void SetContentInteractive(TBool /aInteractive/ ) = 0;`
`New enum value`	`MPluginNotifier`	`TNotificationType::EPluginActivated`
`New enum value`	`MPluginNotifier`	`TNotificationType::EPluginDeactivated`