Use the String rather than the path for resolution
Use the String rather than the path for resolution

When using the Path, both sides of the CopyVisitor have to be the same
filesystem. By using a String, we can copy from one filesystem to another.

PiperOrigin-RevId: 228909274
Change-Id: Ib73212a3e088f2071b17e3a3a776700018bb1fd0

google/copybara,google/copybara,google/copybara