Fix remaining unicode py2+3 recipe module errors

Bug: 1227140
Change-Id: Ic29fff7556884935c301b35ba3995e281f178540
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3124901
Reviewed-by: Anthony Polito <apolito@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>

recipes/recipe_modules/git/api.py

@@ -215,7 +215,7 @@ class GitApi(recipe_api.RecipeApi):
               stdout=self.m.raw_io.output(),
               step_test_data=lambda:
                   self.m.raw_io.test_api.stream_output('mirror_dir'))
-          mirror_dir = dir_cmd.stdout.strip()
+          mirror_dir = dir_cmd.stdout.strip().decode('utf-8')
           self('remote', 'set-url', 'origin', mirror_dir,
                can_fail_build=can_fail_build)
 

recipes/recipe_modules/git_cl/examples/full.py

@@ -24,16 +24,18 @@ def RunSteps(api):
       suffix='build')
   api.git_cl.set_description(
       'bammmm', patch_url='https://code.review/123')
-  api.step('echo', ['echo', result.stdout])
+  api.step('echo', ['echo', result.stdout.decode('utf-8')])
 
   api.git_cl.set_config('basic')
   api.git_cl.c.repo_location = api.path.mkdtemp('fakerepo')
 
-  api.step('echo', ['echo', api.git_cl.get_description().stdout])
+  api.step(
+      'echo', ['echo', api.git_cl.get_description().stdout.decode('utf-8')])
 
   api.git_cl.set_description('new description woo')
 
-  api.step('echo', ['echo', api.git_cl.get_description().stdout])
+  api.step(
+      'echo', ['echo', api.git_cl.get_description().stdout.decode('utf-8')])
 
 def GenTests(api):
   yield (

recipes/recipe_modules/tryserver/api.py

@@ -231,7 +231,7 @@ class TryserverApi(recipe_api.RecipeApi):
           step_test_data=lambda:
             self.m.raw_io.test_api.stream_output('foo.cc'),
           **kwargs)
-    paths = [self.m.path.join(patch_root, p) for p in
+    paths = [self.m.path.join(patch_root, p.decode('utf-8')) for p in
              step_result.stdout.split()]
     paths.sort()
     if self.m.platform.is_win: