project: Add missing imports

Some imports were missed when moving manifestProject to project.py

Bug: https://bugs.chromium.org/p/gerrit/issues/detail?id=15861
Change-Id: Id8fffeaa3f88f344a13b5ab44e5403c7edd98f31
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/335554
Tested-by: LaMont Jones <lamontjones@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Reviewed-by: Raman Tenneti <rtenneti@google.com>
diff --git a/project.py b/project.py
index aeb092c..ad296de 100644
--- a/project.py
+++ b/project.py
@@ -29,6 +29,7 @@
 import urllib.parse
 
 from color import Coloring
+import fetch
 from git_command import GitCommand, git_require
 from git_config import GitConfig, IsId, GetSchemeFromUrl, GetUrlCookieFile, \
     ID_RE
diff --git a/subcmds/init.py b/subcmds/init.py
index 0388f5d..6e3951c 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -24,8 +24,6 @@
 from project import SyncBuffer
 from git_config import GitConfig
 from git_command import git_require, MIN_GIT_VERSION_SOFT, MIN_GIT_VERSION_HARD
-import fetch
-import platform_utils
 from wrapper import Wrapper