Macro declare_binder_enum

macro_rules! declare_binder_enum {
    {
        $( #[$attr:meta] )*
        $enum:ident : [$backing:ty; $size:expr] {
            $( $( #[$value_attr:meta] )* $name:ident = $value:expr, )*
        }
    } => { ... };
}

Declare an AIDL enumeration.

This is mainly used internally by the AIDL compiler.