public final void setOverridable(String fieldName, boolean overridable, Map<String, String> context) {
        setOverridable(new CompoundName(fieldName), overridable, DimensionBinding.createFrom(getDimensions(), context));
    }
Sets the overridability of a field in this profile,
this overrides the corresponding setting in the type (if any)
container-search/src/main/java/com/yahoo/search/query/profile/QueryProfile.java