Revert "Revert "Record license text for every dist target.""

This reverts commit 1e27f4ff.

Reason for revert: Rolling forward again without 'all' target.

Bug: 151177513
Bug: 210912771
Bug: 235333302
Bug: 232138105

Test: m droid dist reportmissinglicenses

Test: tapas google-tradefed-all && m dist

Change-Id: I392047ec50ac6e74b9accf260c62e77aef1640d5