Add a newline after "Fetching projects" progress output

Output before change:

    Fetching project platform/packages/providers/UserDictionaryProvider
    Fetching projects:  66% (773/1171)  Fetching project platform/external/regex-re2
    Fetching project device/generic/mini-emulator-x86_64

Output after change:

    Fetching project platform/packages/providers/UserDictionaryProvider
    Fetching projects:  66% (773/1171)
    Fetching project platform/external/regex-re2
    Fetching project device/generic/mini-emulator-x86_64

Change-Id: I4da84da58316c69294e4da2792f83885dc942701
diff --git a/subcmds/sync.py b/subcmds/sync.py
index ef02327..eabe16a 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -356,7 +356,8 @@
   def _Fetch(self, projects, opt):
     fetched = set()
     lock = _threading.Lock()
-    pm = Progress('Fetching projects', len(projects))
+    pm = Progress('Fetching projects', len(projects),
+                  print_newline=not(opt.quiet))
 
     objdir_project_map = dict()
     for project in projects: