DO NOT MERGE rangelib.py: Fix the bug in monotonic check. am: 16536a53a0 am: 801dc8925f
am: cb5268ef2e  -s ours

* commit 'cb5268ef2e77073d76847eef6391683a3c288121':
  DO NOT MERGE rangelib.py: Fix the bug in monotonic check.

Change-Id: Ic47389e443ebe2aa91953082dd47ed9119f2f5a6