Feature request: Add metrics for alert dialogs with a text field

[sabinebarrera]

Overview

There are a few examples in MDG that show alert dialog with text field. These dialog's metrics seem off compare to the metrics provided in dialog specs. Please provide a spec'ed example of an alert dialog with a text field.

Reproduction steps

Some Material Design - Alert dialog with text field(s) examples:
– Example #1 It can be found here but no metrics/specs are provided.
– Example #2 It can be found here. This screenshot can be found in Error patterns - Permission requested

[ymarian]

The catalog demo now has dialogs