tweak docstrings

This fixes section names:
  Arguments -> Args
  Return -> Returns

It also fixes the last line of the docstring so it isn't cuddled.

And we fix a few docstrings that should be one line but aren't.

BUG=None
TEST=`./buildbot/run_tests` passes

Change-Id: Iaafb7d346a3aee97a40dab340463894c02533091
Reviewed-on: https://chromium-review.googlesource.com/176279
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/cros_generate_breakpad_symbols.py b/scripts/cros_generate_breakpad_symbols.py
index b8dc8f7..4c443e5 100644
--- a/scripts/cros_generate_breakpad_symbols.py
+++ b/scripts/cros_generate_breakpad_symbols.py
@@ -13,7 +13,8 @@
 and converts them over using the `dump_syms` programs.  Those plain text .sym
 files are then stored in /build/$BOARD/usr/lib/debug/breakpad/.
 
-If you want to actually upload things, see upload_symbols.py."""
+If you want to actually upload things, see upload_symbols.py.
+"""
 
 import collections
 import ctypes