resort a few module imports to follow PEP8

All the stdlib imports are supposed to come before any local imports.

Change-Id: I10c0335ba2ff715fd34c9eb91bfe6560e904df08
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/255593
Tested-by: Mike Frysinger <vapier@google.com>
Reviewed-by: David Pursehouse <dpursehouse@collab.net>

subcmds/abandon.py

@@ -15,9 +15,11 @@
 # limitations under the License.
 
 from __future__ import print_function
-import sys
-from command import Command
+
 from collections import defaultdict
+import sys
+
+from command import Command
 from git_command import git
 from progress import Progress
 

subcmds/status.py

@@ -16,6 +16,10 @@
 
 from __future__ import print_function
 
+import glob
+import itertools
+import os
+
 from command import PagedCommand
 
 try:
@@ -23,11 +27,6 @@ try:
 except ImportError:
   import dummy_threading as _threading
 
-import glob
-
-import itertools
-import os
-
 from color import Coloring
 import platform_utils