DO NOT MERGE rangelib.py: Fix the bug in monotonic check.
am: 16536a53a0

* commit '16536a53a057778240b1a3a923b5dde31b79bd90':
  DO NOT MERGE rangelib.py: Fix the bug in monotonic check.

Change-Id: I07d7bf9a34dabd3646f341427d9f53a74e9e8fc9