feat($compile): add `preAssignBindingsEnabled` option

A new option to enable/disable whether directive controllers are assigned bindings before
calling the controller's constructor.

If enabled (true), the compiler assigns the value of each of the bindings to the
properties of the controller object before the constructor of this object is called.

If disabled (false), the compiler calls the constructor first before assigning bindings.

The default value is enabled (true) in Angular 1.5.x but will switch to false in Angular 1.6.x.

See #14580
Closes #15095