Make two info action row headers plural-compatible and consistent

Plural support was asked, but as it is a table it makes more sense
to just align them to the "Number of X" style of the other rows.

Bug: 48634
Change-Id: I32a760e59a3c86b5baa6096e0a28e8b4681f4a3f
Merge "Make two info action row headers plural-compatible and consistent"