git: apply a 5 minutes timeout to "ensure git tooling on windows" step

This covers 99% of successful runs on all builders based on event_mon
data.

BUG=629025

Review-Url: https://codereview.chromium.org/2162143004

recipe_modules/git/api.py

@@ -45,7 +45,8 @@ class GitApi(recipe_api.RecipeApi):
         'ensure git tooling on windows',
         [self.package_repo_resource('bootstrap', 'win', 'win_tools.bat')],
         infra_step=True,
-        cwd=self.package_repo_resource())
+        cwd=self.package_repo_resource(),
+        timeout=300)
     self.initialized_win_git = True
 
   def fetch_tags(self, remote_name=None, **kwargs):

recipe_modules/git/example.expected/platform_win.json

@@ -4,7 +4,8 @@
       "RECIPE_PACKAGE_REPO[depot_tools]\\bootstrap\\win\\win_tools.bat"
     ],
     "cwd": "RECIPE_PACKAGE_REPO[depot_tools]",
-    "name": "ensure git tooling on windows"
+    "name": "ensure git tooling on windows",
+    "timeout": 300
   },
   {
     "cmd": [

recipe_modules/tryserver/example.expected/with_wrong_patch.json

@@ -4,7 +4,8 @@
       "RECIPE_PACKAGE_REPO[depot_tools]\\bootstrap\\win\\win_tools.bat"
     ],
     "cwd": "RECIPE_PACKAGE_REPO[depot_tools]",
-    "name": "ensure git tooling on windows"
+    "name": "ensure git tooling on windows",
+    "timeout": 300
   },
   {
     "cmd": [

recipe_modules/tryserver/example.expected/with_wrong_patch_new.json

@@ -4,7 +4,8 @@
       "RECIPE_PACKAGE_REPO[depot_tools]\\bootstrap\\win\\win_tools.bat"
     ],
     "cwd": "RECIPE_PACKAGE_REPO[depot_tools]",
-    "name": "ensure git tooling on windows"
+    "name": "ensure git tooling on windows",
+    "timeout": 300
   },
   {
     "cmd": [