set default file encoding to utf-8

There's no reason to support any other encoding in these files.
This only affects the files themselves and not streams they open.

Bug: https://crbug.com/gerrit/10418
Change-Id: I053cb40cd3666ce5c8a0689b9dd938f24ca765bf

subcmds/__init__.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/abandon.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/branches.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #

subcmds/checkout.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #

subcmds/cherry_pick.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2010 The Android Open Source Project
 #

subcmds/diff.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/diffmanifests.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2014 The Android Open Source Project
 #

subcmds/download.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/forall.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/gitc_delete.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2015 The Android Open Source Project
 #

subcmds/gitc_init.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2015 The Android Open Source Project
 #

subcmds/grep.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #

subcmds/help.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/info.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2012 The Android Open Source Project
 #

subcmds/init.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/list.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2011 The Android Open Source Project
 #

subcmds/manifest.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #

subcmds/overview.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2012 The Android Open Source Project
 #

subcmds/prune.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/rebase.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2010 The Android Open Source Project
 #

subcmds/selfupdate.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #

subcmds/smartsync.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2010 The Android Open Source Project
 #

subcmds/stage.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/start.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/status.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/sync.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/upload.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #

subcmds/version.py

@@ -1,3 +1,4 @@
+# -*- coding:utf-8 -*-
 #
 # Copyright (C) 2009 The Android Open Source Project
 #