findmissing: findmissing directory is now a subdirectory in GCE homedir

folder structure is now on GCE:
- user chromeos_patches
-- kernel_repositories/
-- logs/
-- findmissing/
-- secrets/

previously:
- user chromeos_patches
-- has all findmissing/ files
-- kernel_repositories/
-- logs/
-- secrets/

BUG=None
TEST=None

Change-Id: If42f820372c2bdb4d1719909ddf6fdc6297e7901
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2146431
Commit-Queue: Hirthanan Subenderan <hirthanan@google.com>
Tested-by: Hirthanan Subenderan <hirthanan@google.com>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
diff --git a/contrib/findmissing/common.py b/contrib/findmissing/common.py
index b86c7f8..c8fdfa1 100755
--- a/contrib/findmissing/common.py
+++ b/contrib/findmissing/common.py
@@ -38,8 +38,9 @@
 UPSTREAM_PATH = 'linux_upstream'
 
 WORKDIR = os.getcwd()
-GCE_GIT_COOKIE_PATH = os.path.join(WORKDIR, '.git-credential-cache/cookie')
-LOCAL_GIT_COOKIE_PATH = os.path.join(os.path.expanduser('~'), '.gitcookies')
+HOMEDIR = os.path.expanduser('~')
+GCE_GIT_COOKIE_PATH = os.path.join(HOMEDIR, '.git-credential-cache/cookie')
+LOCAL_GIT_COOKIE_PATH = os.path.join(HOMEDIR, '.gitcookies')
 
 
 class Status(Enum):
@@ -133,7 +134,7 @@
 
 def get_kernel_absolute_path(repo_name):
     """Returns absolute path to kernel repositories"""
-    return os.path.join(WORKDIR, 'kernel_repositories', repo_name)
+    return os.path.join(HOMEDIR, 'kernel_repositories', repo_name)
 
 
 def update_kernel_db(db, kernel_metadata):