ChangeScreen2: Click anywhere in path column to open file

Instead of requiring a precise click on the path name itself, accept
the entire path column as the click target.  This allows users to hit
a much larger area, which is easier on short file names like 'README'
or 'BUCK'.

Change-Id: I071c6394a33d08eba9b8ce252e92690106e8a743
1 file changed